Jennifer Lawrence & Ariana Grande
J.Law revealed she couldn't contain herself while working with Ari on Don't Look Up. "I went full radio contest winner. I was so excited and nervous that at one point, I just kind of walked into her hotel room and sat down," Jennifer said during a Q&A in November 2021. "I've just been thinking about it a lot lately. There were all of these trunks for her hair and makeup, and I was like, ‘Do you live here?'"
Ariana Grande & Jim Carrey
The Sam & Cat alum was shaking side to side after meeting the Dumb & Dumber actor, posting a video on Instagram of her visibly crying after he introduced himself to her.
Ansel Elgort & Taylor Swift
Nice to meet you, where you been? After winning a Teen Choice Award in 2014, the Fault in Our Stars actor posted this photo on Instagram to display his Swiftie-ness. "Yes that's Taylor Swift giving me the surfboard. Wtf is life..." he captioned the pic.
Reese Witherspoon & Goldie Hawn
Tearing up at the Snatched star's Hollywood Walk of Fame ceremony, the Big Little Lies actress said, "The first time I fell in love with a movie star, it was Goldie Hawn." She even added that her fandom dates back many years, saying that her very first email address was "overboard@aol.com."
Adele & Beyoncé
At the 2017 Grammy Awards, the "Hello" singer famously dedicated her Album of the Year win to fellow nominee Queen Bey, saying "I can't possibly accept this award. My artist of my life is Beyoncé."
Harry Styles & Stevie Nicks
The "Sign of the Times" singer couldn't stop his crying after bringing the Fleetwood Mac legend, his idol, onstage at his L.A. show, fighting back tears while performing a duet of "Landslide." "I'm pretty sure that this was going to be up there with one of the best nights of my life," he told the crowd.
Sarah Paulson & Madonna
The American Horror Story actress certainly expressed herself when her jaw literally dropped after spotting the Material Girl on the Met Gala red carpet.
Emilia Clarke & Matt LeBlanc
How you doin'? The Mother of Dragons went full-on Friends fanatic when she appeared on The Graham Norton Show with the IRL Joey Tribbiani. "Downright GIDDY right now!! Bucket list accomplishment already underway with this gem," she captioned this pic on Instagram.
Taylor Swift & Madonna
Tay-Tay couldn't shake off her "Material Girl" fandom after performing with the pop icon, tweeting this photo and writing "I might be okay but I'm NOT FINE AT ALL. #MyFangirlLife."
Oprah Winfrey & Mick Jagger
The former talk show host couldn't hide her excitement after bumping into the Rolling Stones frontman in 2013, captioning this picture on Instagram,"My first time meeting Mick Jagger! And yes he dances like MICK JAGGER?"
Liam Payne & Jay Z
Back in 2012, nobody could drag the 1D heartthrob down after he met the legendary rapper and one of his "idols," as he posted this pic on Twitter and claimed he "couldn't even look him in the eye."
Lauren Jauregui & Fall Out Boy
The Fifth Harmony member thanked the pop punk band for the memories by posting this Instagram picture and writing, "Dear little Lauren, Congratulations, we did it!! Can't believe I actually met @falloutboy #cantbreathe."
Anne Hathaway & Mariah Carey
It was one sweet day for the Princess Diaries actress when she noticed the powerhouse vocalist was behind her during an interview at the Intern premiere. "She's now an arm-length away," she said, completely starstruck as Mimi moved closer.
Adam Scott & Mark Hamill
The Parks & Recreation actor and Star Wars superfan was one with the force when he was surprised by Luke Skywalker himself on Jimmy Kimmel Live! after recounting a childhood story of inviting the actor to his birthday party. "This really is one of the best moments of my life," he said when his idol walked onstage.
Anna Kendrick & Beyoncé
The Pitch Perfect star and noted member of the Beyhive was drunk in love after meeting her idol at the 2014 Grammy Awards, tweeting "Guys, it happened. I met Beyoncé. And she is an angel. And I am not worthy. And I will never stop shaking. #PatheticFanGirlOfTheYear."
Jennifer Lawrence & Damian Lewis
The Hunger Games star and frequent fangirl couldn't contain herself around the real-life Nicholas Brody, saying Homeland is her "favorite show ever" and literally having to turn away when the actor spoke to her.
Jennifer Lawrence & Jeff Bridges
After approaching him and immediately running away out of nervousness, the queen of fangirling told The Dude what a big fan she is of him, and took over the interviewer's mic to breathlessly ask him about his favorite roles.
Jennifer Lawrence & Jack Nicholson
Once again, J-Law lost it in the presence of a Hollywood icon. The Shining actor approached her during a post-Oscars interview and the two shared some flirty words before the actress turned to the camera with wide eyes and mouthed, "Oh my God."
Lupita Nyong'o & Leonardo DiCaprio
The 12 Years a Slave actress felt like the king of the world after running into one of her favorite actors at the Golden Globes in 2014. "#GoldenGlobes Checklist: meet #LeonardoDiCaprio and tell him how much I have loved his work since I was 14 - CHECK!" she captioned this photo on Instagram.
Pink & Johnny Depp
After claiming the Pirates of the Caribbean actor to be her crush, the pop star was completely flustered on Jimmy Kimmel Live! when the actor came onstage to meet her.
Selena Gomez & Jennifer Aniston
"I have gotten to have real conversations with such a real heart, made my entire year," Sel captioned this pic on Instagram, saying she's been following the Friends actress' career since she was 8.
Emma Stone & Mel B
The actress was truly in La La Land after receiving a video message from Scary Spice during an interview, saying "Oh my God, I'm the biggest Spice Girls fan ever," while on the verge of tears.
Miley Cyrus & Britney Spears
It was a dream come true for the "Malibu" singer when she took to Twitter to express her disbelief over attending the pop icon's concert in 2013, posting this picture and writing, "if u told me I'd be front row and center on @britneyspears opening night 10 years ago I wouldve never believed you."