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Channing Tatum - Channing Tatum is one of the sexiest men alive these days, but he wasn't always getting chased by the ladies! In fact, his first break-up was brutal.

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Channing Tatum -

His first kiss was a girl named Danica in school. Danica decided to break up with him through a friend, who shouted out the school bus window: "Oh yeah, Danica doesn't want to go out with you anymore." The whole bus burst out laughing. 

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Elizabeth Banks -

Elizabeth Banks shared an absolutely horrifying childhood story about a family road trip on 'The Tonight Show.' 

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Elizabeth Banks -

Her dad was driving in the front seat and suddenly "hocks up a loogie." He spits out the window, but the speeding wind brought it right in the back window, landing on Banks's face! 

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Elizabeth Banks -

Her dad was laughing in the studio audience as she told this story, so obviously it didn't ruin their relationship...

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Joe Jonas - Joe Jonas made a rookie mistake when trying to obtain "adult materials" as a teenager. He signed up to several adult websites and provided his home address.

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Joe Jonas -

A month later he started to receive postcards from these websites with pictures of naked women, saying things like "You naughty boy. Come visit us again." Needless to say, his pastor father wasn't pleased! 

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Emma Watson - Emma Watson shared an embarrassing moment in an interview with Jimmy Kimmel. Much of her childhood was spent on the set of the 'Harry Potter' films where she played Hermione.

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Emma Watson -

As an eager child who loved the books and wanted to perform well, she had memorized all the lines in the script. Unfortunately, this meant she couldn't stop herself mouthing the other actors' lines as they said them. 

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Emma Watson -

Watson was mortified because she ruined multiple takes and the director kept having to saying "Cut. Emma, you're doing it again." 

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Selena Gomez -

Selena Gomez is another star whose early career led to some embarrassing moments! The poor girl had her first kiss on set in front of a massive camera crew. 

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Selena Gomez -

Gomez had to kiss Dylan Sprouse for her role on 'The Suite Life of Zack & Cody.' She was extremely nervous and recalls closing her eyes too soon and completely missing his mouth! 

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Kylie Jenner -

Kylie Jenner really spilled the tea during a video for Cosmopolitan. Her most embarrassing moment was when she pooped her pants as a five-year-old! 

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Kylie Jenner -

Her sister Kendall chimed in to clarify, as sisters do, that it was much worse than Kylie described. When the incident occurred, Kylie ran up the stairs to her room, continuously pooping, leaving a trail all the way up the stairs. 

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Scott Evans -

In another act of sibling treachery, Chris Evans totally shamed his brother Scott on 'The Tonight Show.' Chris shared a story from a family ski trip when Scott was five years old. 

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Scott Evans -

Scott was having some bowel control issues and pooped in his ski suit. Three times, in one day. 

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James Corden - James Corden got real about his childhood on 'The Late Late Show' one night. He recalled an uncomfortable memory from a family caravan trip when he was a kid.

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James Corden -

One night, the caravan started rocking, and James realized what his parents must have been doing... On the upside, his dad was in a great mood the next day and brought them all croissants! 

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Liam Payne -

One Direction's Liam Payne was totally humiliated in front of a girl he liked when he was seven. She was tickling him and he laughed so much that he peed his pants! She laughed at him and he started crying.

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Liam Payne -

He was totally mortified, but felt redeemed years later when she showed up to one of his concerts!

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James McAvoy -

James McAvoy had an absolutely mortifying incident with his grandparents when he tried to do some "manscaping" as a teenager. 

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James McAvoy -

He had taken his grandfather's face razor to do the job, but stopped half way through because it wasn't going well. Later on his grandparents called him down for a serious chat. 

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James McAvoy - They had found a razor covered in blood in the bathroom and thought he was self-harming. He had to try to convince them that in reality had just done a really bad job shaving his private parts! They then had a serious talk about hygiene and respect for other people's possessions.

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Jamie Dornan -

Jamie Dornan says he was a late bloomer and still looked like a child at 15. He was going to a party with a girl he liked and was hoping to get some action, but was concerned about his lack of pubic hair!

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Jamie Dornan -

He was taking part in the school play so he decided to cut some chunks of hair from the terrible cheap wig he'd been given. He tried to glue them on, and obviously it was a disaster. Sadly, he pulled out his three real pubic hairs in the removal process. 

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Joey King -

When Joey King was in kindergarten she had to get stitches in her chin after an accident. The doctor didn't do a very tidy job with the stitches and left a large string hanging down. 

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Joey King -

The next day at school her whole class thought it was a hair and made fun of her for having one giant beard hair. No one would believe the real story! 

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Kelly Clarkson -

Kelly Clarkson's most embarrassing childhood moment happened live on stage, during a church performance of Noah's Ark. Clarkson had put her animal costume on backwards so the tail was dangling at the front, and the whole audience laughed at her. She thought to herself "you’re all going to hell!"

Sources: (CBS) (People) (Seventeen) (USA Today) 

See also: Most embarrassing celebrity moments

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