Best of 2009

Most Outrageous Faceoffs

From the dresses you can't believe were worn twice – to the stars you'd never imagine having the same taste! – see the most amazing match-ups of the year

BLAKE VS. KHLOE

The Gossip Girl star got into character as Serena van der Woodsen in her Alexander Wang dress, while the newlywed hit a party in L.A. in her draped purple mini.