Aubrey O'Day's trashy, way-too-revealing dress was the biggest fashion offense of the week.
We also saw two fashion trends -- color blocking and stars -- totally butchered by the likes of Rashida Jones, Tyra Banks, and La La Vasquez.
TooFab's Anna Kachikyan breaks down the week's worst celebrity looks inside. Click on the "Launch Gallery" button below to get started:
Whose look do you think was worst? Tell TooFab in the comments below!
