While we can all speculate on the anatomy of a flop, Celebuzz must insist on a few answers.

Really, Renee Zellweger? Was there an invasive search at hotel security?

And Cameron Diaz, we love you in anything but structural layers may not be best, especially when your bright smile is dimmed by darker hair.

Drew Barrymore, we admire an attempt at big glamour. Big hair and pageant dress does not big glamour make, however.

Alek Wek, you're a model. No excuse. Maggie Gyllenhaal, while drab-fab is your shtick, it shouldn't be a rule.

And while Glenn Close, Marisa Tomei and Blake Lively (in a shockingly ill-fitted frock) are culprits all—the biggest WTF is for Angelina Jolie.

Angie. We've seen this dress for about two years. Being a mother of six must be no picnic, but we've got a feeling you could manage to find at least a new color family.

Click through at your own risk.