Tops & Flops: The Week in Fashion

Is Keira Knightley looking super svelte, or are you not willing to overlook her overly sweet bow belt?

Does Rooney Mara look great in her ruffled Givenchy top, or is this clearly a fashion flop?

Is Katherine Heigl's dress too low-cut ... or so what?

Is Naomi Watts' fashion IQ soaring, or is this black-and-white number a bit too boring?

Does Reese Witherspoon light up the London scene, or are you not feeling the sparkly green?

Does Vanessa Hudgens look amazing in bright yellow, or is she more suited for something much more mellow?

Do you respect Rachel McAdams for taking a serious fashion chance, or can you dismiss her colorful ensemble with just one glance?

Does Nicole Kidman's lacy dress have you hooked, or is this not the best she's ever looked?

Is Kristin Davis' fashion choice well-played, or does she look like a glorified bridesmaid?

Is it hard to stop looking at Jennifer Aniston's yoga-toned body, or is her little black dress looking a little shoddy?

The week in fashion featured a number of interesting gowns, as the A-listers made their rounds. Which outfits were perfectly pretty, and which do you pity? You decide!