Katy PerryIn this day of celebrity entourages and PR protection, it's rare for a star to make a false statement, but Hollywood is nowhere near perfect, and every so often its peeps will make an off-colour comment or reveal more than they intended. We stay on top of the most noteworthy Tinseltown talk with our weekly installment of celebrity Quips & Quotes.

This week: Katy Perry says there's no reason to compete with Lady Gaga, Jesse James laments how much he's messed things up with Sandra Bullock, Joan Rivers comments on Heidi Montag's plastic surgery, and Robert Downey Jr. talks about filming romantic scenes with Gwyneth Paltrow... plus more!