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

7 of 21

AGYNESS VS. M.I.A.

The British supermodel dared to bare in her House of Holland sheer dress for the designer's afterparty in London, while the pregnant rapper hit the Grammy stage (on her due date!) in her strategically dotted dress.