Photo Gallery
Embarrassing Red-Carpet Moments

And now, the queen of the red-carpet faux pas: Joan Rivers, whose flubs are often more entertaining than her deliberate zingers. Among her most memorable gaffes: enraging Kevin Costner at the 2004 Golden Globes by making fun of the small diamond engagement ring he'd given his fiancée (it was an antique); asking Catherine Zeta-Jones in 2001 how it felt to be a first-time Oscar nominee (she wasn't); and mistaking Anthony Hopkins' Academy Awards '95 date for his mother (she was his wife).