10. When he was in Saved by the Bell for a few minutes
9. When he arm wrestled Channing Tatum
8. When you found out he’s best friends with Justin Timberlake
7. When he held hands with the First Lady Michelle Obama
6. When he was in Full House
5.When he played guitar as Adam Sandler and Drew Berrymore sang together
4. When he joined One Direction
3. When he did this with Will Smith
2. When he wore tight pants with Will Ferrel
1. When he played beer pong on live TV
By: Kristen Norton
