01of 12Donna Karan & HalseyTaylor Hill/WireImage; Gotham/FilmMagicThe “Without Me” singer wastheperformer to watch at DKNY’s 30th birthday bash, but designer Karan had no idea who she was.“Who is Halsey? Is that Halsey?” Karan askedPage Six, pointing to a guest who was not the star. “I think my granddaughter does [know who she is]. I’m sure she’s great,” she added.
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Donna Karan & Halsey
Taylor Hill/WireImage; Gotham/FilmMagic

The “Without Me” singer wastheperformer to watch at DKNY’s 30th birthday bash, but designer Karan had no idea who she was.
“Who is Halsey? Is that Halsey?” Karan askedPage Six, pointing to a guest who was not the star. “I think my granddaughter does [know who she is]. I’m sure she’s great,” she added.
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Martha Stewart & Chip and Joanna Gaines
Denis Contreras/Getty; Noam Galai/Getty

At the 2019 TIME 100 Gala, Chip and Jo could not wait to meet the domestic doyenne. But “she didn’t have the faintest idea who we are, not a single clue,“Chip later told theNew York Post.“But we don’t mind at all, Joanna was so excited to meet Martha. Martha was very gracious and supportive, it was really wonderful moment for us to meet her.”
Stewart later clarified to thePostthat she’d heard of the power couple, but just didn’t immediately recognize them.
03of 12Christopher Nolan & Harry StylesTodd Williamson/Getty Images; Emma McIntyre/Getty ImagesAlthough Styles captured the hearts of teen girls around the globe, it wasn’t until he was cast inDunkirkthat the former One Direction member caught the attention of the film’s director. Ahead ofDunkirk’s release, Nolan admitted he didn’t realize quite how famous Styles was before he was cast. “I mean, my daughter had talked about him. My kids talked about him, but I wasn’t really that aware of it,” Nolan said. “So the truth is, I cast Harry because he fit the part wonderfully and truly earned a seat at the table.”
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Christopher Nolan & Harry Styles
Todd Williamson/Getty Images; Emma McIntyre/Getty Images

Although Styles captured the hearts of teen girls around the globe, it wasn’t until he was cast inDunkirkthat the former One Direction member caught the attention of the film’s director. Ahead ofDunkirk’s release, Nolan admitted he didn’t realize quite how famous Styles was before he was cast. “I mean, my daughter had talked about him. My kids talked about him, but I wasn’t really that aware of it,” Nolan said. “So the truth is, I cast Harry because he fit the part wonderfully and truly earned a seat at the table.”
04of 12Ed O’Neill & Britney SpearsBritney Spears TwitterEven Spears gets starstruck! The pop icon couldn’t resistaskingModern Familystar O’Neill for a photowhen she ran into him at the airport. O’Neill, however, just thought she was any other fan, and posed for the picture with a gruff expression on his face. A few days later, he discovered just who he took the photo with — after Spears tweeted it! “I mean, look at my face: Do I look like I’m sitting with Britney Spears?” O’Neill said of the experience. “You know, my daughter, Sophia, she said, ‘You are a moron.' ”
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Ed O’Neill & Britney Spears
Britney Spears Twitter

Even Spears gets starstruck! The pop icon couldn’t resistaskingModern Familystar O’Neill for a photowhen she ran into him at the airport. O’Neill, however, just thought she was any other fan, and posed for the picture with a gruff expression on his face. A few days later, he discovered just who he took the photo with — after Spears tweeted it! “I mean, look at my face: Do I look like I’m sitting with Britney Spears?” O’Neill said of the experience. “You know, my daughter, Sophia, she said, ‘You are a moron.' ”
05of 12Britney Spears & Colton Haynes … and Britney Spears & Andy CohenColton Haynes InstagramBelieve it or not, Spears herself has also failed to recognize a fellow star. During one of her Las Vegas concerts,ArrowandTeen Wolfstar Colton Haynes joined Spears on stage for her performance of “Freakshow,”but she didn’t realize that he was someone a bit more recognizable than the average fan. Spears asked Haynes his name and then complimented his butt, which probably did a lot to make up for the fact that she didn’t realize who he was.It seemingly happened again in July 2018 when Spears performed at N.Y.C.’s Radio City Music Hall, bringingAndy Cohenon stage for “Freakshow."“I think you all know who this is,” she said after the bit. “Give it up for him!”The next morning on his radio show, Cohen addressed the moment. “My take on this is: First of all: Why would Britney know my name? She’s Britney, bitch!” he said. “I’m a mortal! And Britney isBritney. … I don’t [think she knows who I am].”
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Britney Spears & Colton Haynes … and Britney Spears & Andy Cohen
Colton Haynes Instagram

Believe it or not, Spears herself has also failed to recognize a fellow star. During one of her Las Vegas concerts,ArrowandTeen Wolfstar Colton Haynes joined Spears on stage for her performance of “Freakshow,”but she didn’t realize that he was someone a bit more recognizable than the average fan. Spears asked Haynes his name and then complimented his butt, which probably did a lot to make up for the fact that she didn’t realize who he was.
It seemingly happened again in July 2018 when Spears performed at N.Y.C.’s Radio City Music Hall, bringingAndy Cohenon stage for “Freakshow.”
“I think you all know who this is,” she said after the bit. “Give it up for him!”
The next morning on his radio show, Cohen addressed the moment. “My take on this is: First of all: Why would Britney know my name? She’s Britney, bitch!” he said. “I’m a mortal! And Britney isBritney. … I don’t [think she knows who I am].”
06of 12Abigail Breslin & Meryl StreepKevin Winter/Getty ImagesBreslin’s been in the business since she was a kid, getting her start inLittle Miss Sunshine. But a familiar face can appear much different with the addition of a new ‘do, which was the case for Breslin when she dyed her hair blonde in 2013. Immediately following the hair transformation, herAugust: Osage Countycostars, including Streep, didn’t recognize the actress when she arrived for a photo shoot. “The cast doesn’t recognize me,” Breslin toldE!of her hair. “I was like, ‘Hey guys!’ and they were like, ‘Who’s this random girl crashing our photo shoot today?’ ”
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Abigail Breslin & Meryl Streep
Kevin Winter/Getty Images

Breslin’s been in the business since she was a kid, getting her start inLittle Miss Sunshine. But a familiar face can appear much different with the addition of a new ‘do, which was the case for Breslin when she dyed her hair blonde in 2013. Immediately following the hair transformation, herAugust: Osage Countycostars, including Streep, didn’t recognize the actress when she arrived for a photo shoot. “The cast doesn’t recognize me,” Breslin toldE!of her hair. “I was like, ‘Hey guys!’ and they were like, ‘Who’s this random girl crashing our photo shoot today?’ ”
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Mama June Shannon & Miley Cyrus
James Devaney/WireImage

08of 12Amy Schumer & Goldie HawnTodd Williamson/Getty Images for CinemaConYou’d think a comedic icon like Hawn would have taken notice of Schumer, but that wasn’t the case — that is, until the pair worked together on their film,Snatched. Schumer and Hawn first met during a flight, where theInside Amy Schumerstar told Hawn about the movie and how she wanted theOverboardactress to play her on-screen mother.“We’d never met,”Schumer said. “I waited till we got off the plane and then I went up and I harassed her. And I was just like, ‘I really want you to play my mom in this movie. And she was just like, ‘Okay, honey.’ ” Hawn later admitted she felt “bad” for not recognizing the comedian.
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Amy Schumer & Goldie Hawn
Todd Williamson/Getty Images for CinemaCon

You’d think a comedic icon like Hawn would have taken notice of Schumer, but that wasn’t the case — that is, until the pair worked together on their film,Snatched. Schumer and Hawn first met during a flight, where theInside Amy Schumerstar told Hawn about the movie and how she wanted theOverboardactress to play her on-screen mother.
“We’d never met,”Schumer said. “I waited till we got off the plane and then I went up and I harassed her. And I was just like, ‘I really want you to play my mom in this movie. And she was just like, ‘Okay, honey.’ ” Hawn later admitted she felt “bad” for not recognizing the comedian.
09of 12Rami Malek & Bella HadidCyrille George Jerusalmi/Getty Images for Dior; Victor Boyko/Getty Images for DiorThere are plenty of people who would love to dance with Hadid — but whenMr. Robotstar Malek did it, he had no idea his dancing partner was an internationally known supermodel. “I’m not on social media,”Malek said in 2017. “I’m not as in touch with things as I should be. I was dancing in Paris the other night withBella Hadidand didn’t know who she was.”
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Rami Malek & Bella Hadid
Cyrille George Jerusalmi/Getty Images for Dior; Victor Boyko/Getty Images for Dior

There are plenty of people who would love to dance with Hadid — but whenMr. Robotstar Malek did it, he had no idea his dancing partner was an internationally known supermodel. “I’m not on social media,”Malek said in 2017. “I’m not as in touch with things as I should be. I was dancing in Paris the other night withBella Hadidand didn’t know who she was.”
10of 12Mariah Carey & Jennifer LopezFrazer Harrison/Getty Images for Airbnb; Slaven Vlasic/Getty ImagesWe’re not sure when or where Carey came across Lopez and didn’t recognize her, but we do know thatCarey doesn’t know her, as she’s told people multiple times. Carey’s refusal to acknowledge that she knows Lopez has become so much more than just a case of not realizing who someone is; it’s become a full-on phenomenon.
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Mariah Carey & Jennifer Lopez
Frazer Harrison/Getty Images for Airbnb; Slaven Vlasic/Getty Images

We’re not sure when or where Carey came across Lopez and didn’t recognize her, but we do know thatCarey doesn’t know her, as she’s told people multiple times. Carey’s refusal to acknowledge that she knows Lopez has become so much more than just a case of not realizing who someone is; it’s become a full-on phenomenon.
11of 12Phil Collins & AdeleLaura Cavanaugh/WireImage; Mike Marsland/WireImageIt may be hard to imagine encountering someone whodoesn’tknow Adele, but that was exactly what happened with Collins, who first learned of the singer when she personally reached out to him. “We met in London maybe three or four years ago, maybe longer, because she wanted to write with me and I was very flattered, but I didn’t know who she was, because I had been living under a rock,”he told PEOPLE. “I quickly found out and wow I did a crash course on Adele.” They then attempted a collaboration, but it never panned out. (We still have hope!)
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Phil Collins & Adele
Laura Cavanaugh/WireImage; Mike Marsland/WireImage

It may be hard to imagine encountering someone whodoesn’tknow Adele, but that was exactly what happened with Collins, who first learned of the singer when she personally reached out to him. “We met in London maybe three or four years ago, maybe longer, because she wanted to write with me and I was very flattered, but I didn’t know who she was, because I had been living under a rock,”he told PEOPLE. “I quickly found out and wow I did a crash course on Adele.” They then attempted a collaboration, but it never panned out. (We still have hope!)
12of 12Debra Winger & Shirley MacLaineCourtesy Everett CollectionThey played mother and daughter in the iconicTerms of Endearment, but like Hawn and Schumer, MacLaine hadn’t heard of the woman who would play her on-screen daughter before they started filming. “I didn’t know the name,” MacLaine told PEOPLE back in 1984. “I didn’t know who she was.”
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Debra Winger & Shirley MacLaine
Courtesy Everett Collection

They played mother and daughter in the iconicTerms of Endearment, but like Hawn and Schumer, MacLaine hadn’t heard of the woman who would play her on-screen daughter before they started filming. “I didn’t know the name,” MacLaine told PEOPLE back in 1984. “I didn’t know who she was.”
source: people.com