1. When Ozzy, like, ate a bat onstage.
2. When Justin Bieber threw up onstage in front of thousands of people.
3. When Katy Perry belly-flopped onto this cake...
4. ...and then slipped and fell on said cake.
5. When Michelle Williams fell and Kelly and Beyoncé just continued on with the performance.
6. When Mariah Carey was attacked by a butterfly.
7. And when Ariana Grande was attacked by an angel wing.
8. When Bret Michaels was flattened at the 2009 Tony Awards.
9. When Liam Payne pantsed Harry Styles during a performance of "What Makes You Beautiful."
10. When Christina Aguilera's bronzer started dripping down her leg during her performance at Etta James' funeral.
11. When Avril Lavigne tried to have a moment with this fan, and it was a karaoke fail.
when you and your friend are wasted doing karaoke
12. And when Meghan Trainor tried to have this big ending and fell.
14. When Adele had to restart her Grammy performance because she messed up.
15. When Madonna was ripped from the stage during her Brit Awards performance (and then continued like a champ).
16. When Beyoncé stepped on Tina Turner's foot in their Grammy performance.
17. When Drake and Madonna made out, and he made this face.
18. And when Prince kicked Kim Kardashian off the stage for not dancing.
19. And last but not least — this underrated, iconic, and amazing performance, when Fergie randomly breaks out into spontaneous cartwheels.
View this video on YouTube
It's worth watching a video, I swear.