Kate Middleton was stunning in a Swarovski-embellished Jenny Packham dress last night at the ARK Gala in London -- but she's not the first one to wear the gorgeous gown.
Leighton Meester wore the same frock while playing Upper East Sider Blair Waldorf during an episode of "Gossip Girl" last season. Check her out below:
While Leighton's was slightly modified from the runway design Kate wore, Middleton may have the edge thanks to one accessory: Prince William.
Check out the side-by-side then vote below!