Cameron and Snoop-a-loop both went to California's Long Beach Polytechnic High School back in the day. Cam even spilled some details of their past encounters on George Lopez's talk show: "He was a year older than me…I remember him; he was very tall and skinny. He wore lots of ponytails. And I'm pretty sure I bought weed from him."
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Nicole Kidman & Naomi Watts
These Aussie ladies met while attending North Sydney Girls' High School and remain good friends to this day!
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Matt Damon & Ben Affleck
Our boys Matt and Ben are total BFFs — they even won their Academy Awards for 1997's Good Will Hunting together! The two first met at the Cambridge Rindge and Latin School in Massachusetts. Talk about life-long pals!
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Adele, Leona Lewis & Jessie J
The British music sensations all went to London's BRIT School.
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Cash Warren & Kate Hudson
Kate and Cash, a.k.a. Jessica Alba's hubby, both went to Crossroads High School in Santa Monica.
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Busta Rhymes & Jay Z
These future moguls once had a rap battle during their time at George Westinghouse Career and Technical Education High School in NYC. Notorious B.I.G. went to school there, too!
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John Krasinski & B.J. Novak
The Office stars were classmates back at Newton South High School in Massachusetts and even played on the same Little League baseball team as kids!
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Nicky Hilton & Lady Gaga
Though it seems Gaga barely knew the Hilton sisters during their years at NYC's Convent of the Sacred Heart, she revealed in a 2008 interview how she was influenced by the heiresses:
"They're very pretty and very clean. Very, very clean. You know, I never saw Paris; she was older than me, and it's funny that the press always write that I went to school with the Hilton sisters, but I actually only went with Nicky….So I guess they've been quite an influence on me. Not them in particular, but the idea of the self-proclaimed artist."
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Charlie Sheen, Rob Lowe, Robert Downey Jr. & Sean Penn
Talk about Hollywood connections! Rob, Charlie, RDJ, and Sean were all friends at Santa Monica High School in the early 1980s.
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Neil Patrick Harris & Freddie Prinze Jr.
The How I Met Your Mother Star and Scooby-Doo actor both attended La Cueva High School in Albuquerque, N.M., although Freddie was three years younger than NPH. Fun fact: Jesse Tyler Ferguson went to Saint Pius X High School just a few miles away from these two!
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Chaz Bono & Jennifer Aniston
While attending NYC's High School of Performing Arts, Jennifer was best friends with Cher's daughter, Chastity Bono, who later began living as a transgender man.
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Prince William & Eddie Redmayne
The future King of England and the Les Misérables star both attended Eton, a prestigious English boarding school.