Nearly all adults have gone through the awkward stages of puberty. Although we've all suffered through change, the end product has left most of us feeling thankful. Here are the most shocking Hollywood transformations. Thank God for puberty!
Khloe Kardashian Jason Merritt / Getty Images Entertainment / Getty Images
Khloe had a long set of obstacles to overcome before looking like she does today. She managed to go from a chubby, awkward kid to a dazzling diva, and we can't imagine what "Keeping Up With The Kardashians" would look like if her transformation hadn't been so dramatic!
George Clooney JOE KLAMAR / AFP / Getty Images
It's hard to imagine a time when George Clooney wasn't a complete stud, yet that was once the case. From the nerdy glasses to the bowl-haircut, George is definitely thankful for not looking like that any more!
Rashida Jones Jason Merritt / Getty Images Entertainment / Getty Images
Known for her unique beauty, Rashida Jones must be very thankful that puberty hit her with force. Just look at her old high school photos! She wore braces, had frizzy hair, and was a little heavier than she is today. It certainly all turned out alright for the funny lady, though!
Ryan Seacrest VALERIE MACON / AFP / Getty Images
Ryan's young physique made him a victim of bullying growing up. However, his bullies are likely now seething with envy over Ryan's success on TV and with women!
Joe Manganiello AFP / AFP / Getty Images
Joe has definitely gone from zero to hero in terms of looks! He went from being the skinniest guy on his high school basketball team to a macho sex symbol any girl would kill to meet. Way to go, buddy!
Megan Fox AFP / AFP / Getty Images
It's refreshing to see that one of the hottest women on the planet wasn't always so hot. Maybe there is hope for all of us!
Taylor Swift ROBYN BECK / AFP / Getty Images
Yes, believe it or not, that is T-Swift. Taylor has been very vocal about being an "ugly duckling" while growing up, but as we all know, she's grown up to be a total bombshell!
Zac Efron VALERY HACHE / AFP / Getty Images
If you've known Zac since his "High School Musical" days, you've seen his transformation flesh out as the years went by. Although he's a sex symbol now, any millennial looking back in time might say "I fell in love with him!?"
Victoria Beckham LEON NEAL / AFP / Getty Images
Now a staple in style and fashion, Victoria's high school days were much different. Look at the messy hair and the attempt at a pony tail, as well as the gap between her teeth! She's definitely made quite a comeback.
Lil Jon Jared Wickerham / Getty Images Sport / Getty Images
You would imagine Lil Jon was just born a super hip dude. That was clearly not the case. Look at "little" Jon's humongous glasses and his awkward gaze.
Matthew Lewis STAN HONDA / AFP / Getty Images
The character of fidgety and clumsy Neville Longbottom fit the role of the kid on the left perfectly. However, as puberty struck Neville's looks started changing. The end product resulted in a very handsome, young man who can make a run at Daniel Radcliffe's looks any day, any time!
Avril Lavigne MARK RALSTON / AFP / Getty Images
Now the queen of punk rock, Avril Lavigne spent her high school days looking like a straight shooter with nerdy glasses and a tomboy haircut. Good thing she became everyone's favorite Sk8er Girl!
Drew Barrymore ROBYN BECK / AFP / Getty Images
Once a troubled teen struggling with drug abuse, Drew Barrymore has gone from ugly duckling to beautiful swan. Now she's seen gracing every red carpet with an elegance others would kill for!
Charlize Theron DOUG KANTER / AFP / Getty Images
No, that's not Charlize dressing up as a nerdy goody two-shoes for a role--that's what she looked like when she was younger! While maybe her glasses weren't the most flattering, she was probably still more beautiful than any other girl in her class.
Adam Levine Cindy Ord / Getty Images Entertainment / Getty Images
Adam Levine had a long way to travel before reaching his status as a sex symbol. As a kid, he had issues with acne and terrible, terrible haircuts that were probably chosen by his mother.
Cristiano Ronaldo DON EMMERT / AFP / Getty Images
Today, every time Cristiano Ronaldo takes his shirt off a dozen fans faint. If they had met him 10 years ago, that probably wouldn't have been the case. Cristiano had issues with acne and crooked teeth, all of which he surpassed to become the bombshell he is today!