What were your favorite celebs like in high school?

Ariana Grande - Though unconfirmed, reports have the singer down as a high school bully. However, she has hinted at having been bullied herself, "I was in every group. I suppose I was a bit of a nerd, but I also had a group of friends, too. I knew what it was like to be popular, but I also knew what it was like to have my heart broken by bullies."

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George Clooney - The married father of twins was quite the jock in high school. He even tried out for the Cincinnati Reds professional baseball team when he was 16.

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Demi Lovato - The singer has never shied away from the fact that she was bullied while in high school. These days she's one of the most active anti-bullying advocates in entertainment.

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Lady Gaga - High school was not exactly a great time for this singer either. She was constantly bullied by her classmates at her all-girls Catholic school. In an interview with Rolling Stone she said she was "teased for being ugly, having a big nose, being annoying."

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Tom Cruise - Reportedly, the prominent Scientologist apparently was something of a loner at his Catholic seminary.

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Sandra Bullock - So what was the comedic actress like in high school? Class clown? Most likely to succeed? Surprisingly, none of the above. Her high school years were pretty tough as well, with Bullock stating "[...] they now call it bullying."

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Brad Pitt - Just like his buddy George Clooney, the actor was into sports and considered a jock. Though he didn't like baseball a lot. "Baseball and I didn't get along that well. I wrestled one year [...]. I dove one year. Everything but baseball."

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Blake Lively - The blonde beauty was a class clown. But that wasn't all! In a 2008 interview she said, "I was class president, on the cheerleading squad, in a competitive show choir, and in, like, six different clubs." Busy, busy.

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Matt Damon - The actor went to high school with Ben and Casey Affleck. Besides undoubtedly getting up to all kinds of no good, they acted a lot in the school theater.

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Anna Kendrick - When reflecting back on her high school days the slight actress calls herself a "flat-chested theater nerd." But other than that, she had a pretty normal high school experience.

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Mila Kunis - She was cast in 'That '70s Show' at age 14, so she basically received a lot of tutoring on set. Whenever she did attend high school however, she was asked for autographs from her peers! That's got to be a strange experience.

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Vin Diesel - These days he's a big action star, but back in high school he would spend a lot of his time playing Dungeons & Dragons.

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Charlize Theron - The South African beauty was also a bit of a nerd. She apparently really wanted to be friends with the popular crowd, and said that "there was a really popular girl at school and I was obsessed with her. I mean you would go to jail for that stuff today. I was in tears one day because I couldn’t sit next to her."

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Natalie Portman - The Oscar winner made her movie debut when she was still only a tween. But that didn't prevent her from studying hard in high school and eventually earning a degree from Harvard.

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Zac Efron - The hunky 'High School Musical' star was anything but popular during his formative years. He had a big gap between his front teeth and was always away doing community theater, neither of which endeared him to his peers.

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Channing Tatum - The actor was big on sports, participating in track and field and baseball. Though he also spend significant time in the principal's office.

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Aaron Paul - The 'El Camino' star didn't care much for high school. He was much more interested in snowboarding.

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Tyra Banks - The former supermodel has actually admitted to having been a bully herself. But as karma would have it, later on she faced bullying. She was made fun of for being too skinny.

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Jennifer Aniston - The 'Friends' star according to a 1997 interview sported a "mini-Mohawk just above my ears, and lots of liquid eyeliner. I did liquid eyeliner better than anyone in history." What is it with this actress and hair?

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Paul Rudd - 'Ant-Man' star Paul Rudd was apparently something of a movie buff. He's noted as constantly quoting popular films of the day such as 'Caddyshack' and 'Animal House.'

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Bryan Cranston - The guy who played Walter White in 'Breaking Bad' was actually a member of his high school's chemistry club. However, he also caught the acting bug in high school and the rest, as they say, is history.

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Cameron Diaz - The retired actress was a tough cookie in high school, saying, "I used to get in fights with boys more than girls. For some reason boys liked to fight me." She also went to the same school as Snoop Dogg.

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Taylor Lautner - The 'Twilight' actor called himself a "bit of an outcast" in high school. Though he also said he had a lot of fun.

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Gillian Anderson - The 'X-files' actress was a pretty rebellious teenager. She drank, did drugs, and had a much older boyfriend.

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Christina Hendricks -

The demure redhaired 'Mad Men' actress was a full on goth in high school. A far cry from her stylish alter ego, Joan Holloway, in the '60s series.

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Chris Pratt - According to some of the actor's high school classmates he was "popular with everyone." Clearly some things never change.

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Taylor Swift - As might be expected, she was mostly focused on her music. She also admits to having lost friends because she wasn't "cool or pretty enough." Well, who's laughing now?

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Ashton Kutcher - The actor starred in school plays and sang in the choir, but also got arrested for burglary.

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