Everyone has embarrassing moments at school . . . even your favorite celebs! Includes info about One Direction, Selena Gomez, Ariana Grande, Austin Mahone, Taylor Swift, and more!

Sure, being a superstar may look like it's all red-carpet events, fabulous parties, and premieres. But the fact is, your favorite celebrities are ordinary people, too--people who make mistakes and find themselves in embarrassing situations, just like everyone else. We've uncovered some hysterical and unforgettable moments we just had to share. And your fave stars are all such good sports, they're the ones who revealed these oops-worthy moments. So take a peek at what life's like on the other side of the red carpet. Hint: It isn't always pretty!