Katy Perry

"This is not okay. You should be singing here because you love music."

From Kim Kardashian to Tom Hanks...

From members of BTS to Lady Gaga, check out how 25 celebrities chose their stage personas.

Ashlee Simpson is just one of many stars who bungled sets on TV's most coveted stage.

From Katy Perry to Kim Kardashian West, find out who got their start working for other famous celebs.

Check out some of the most ~cringeworthy~ celebrity moments ever.

These fans went *way* too far.

These celebrities are sober.

From Lady Gaga and Bradley Cooper to Camila Cabello and Shawn Mendes, check out 25 celebrity pairs who fans were convinced had a love connection.

From donut-licking to (fake) severed heads, these celebrity antics had us in a tizzy.