When two stars of popular new TV shows collide wearing the latest trends, it's a celebrity fashion clash for the ages. Or at least July 31.
The lovely Leighton Meester celebrated her Nylon cover in her Zac Posen dress - and provided yet another example of hip Gossip Girl fashion.
Meanwhile, Lipstick Jungle star Lindsay Price filmed a scene in the same slim-fitting sheath. Hot! It's no Lindsay Price nude, but what can you do ...
Who wore it best, Leighton Meester or Lindsay Price?