Just last week, Karl Lagerfeld and Rachel Bilson announced a sweet new project together, and even though it's not a Chanel venture, the fact that they're collaborating sparked another style battle at Fab. We got to thinking about the other young fashion muse Karl's teamed up with in Chanel's latest ad campaign, the lovely Blake Lively. Now, we've put together a look at the red-carpet résumés and street-styling skills of both Bilson and Lively, and it's up to you to settle the score — which of Karl's two muses takes the win? Click through and cast your vote!
Style Battle of the Lagerfeld Muses! — Rachel Bilson vs. Blake Lively