Lady Gaga

Yes, it's Lady Gaga. Maybe she was in costume as Zombie Jack White. Except a) it was three days past Halloween at this point, and b)...

Lady Gaga

... I'm pretty sure Jack White wears pants when he's out in public.

Vanessa Hudgens

This is from the same Dolce & Gabbana collection as Katy Perry's Met Ball dress. I don't actually LIKE the dress very much, yet at the same time, it looks great on Vanessa and SHE looks great. Somebody do THAT math.

M.I.A.

Well, isn't she charming. This outfit looks like a Disney reboot of Jem and the Holograms.

Greta Gerwig

THIS looks like the decor of an old-timey supper club, where you might see Miss Piggy, Kermit, and Charles Grodin cutting a rug during their expensive meal.

Fug The Whole Thing: The YouTube Music Awards

I really, really thought this was going to be Jack White in Halloween teeth. It's not. And I don't know who should be more upset by my misconception. [Photos: Getty]