Blair Waldorf's attitude would not be the same without a sheer red, plump pout. Okay, it so would, but that lip color gives it a certain extra element!

In real life, Leighton Meester, the girl behind the Gossip Girl character we know and love, favors scarlet lip gloss, too. Her absolute favorite product?

"L'Oreal Infallible Plumping Lipgloss in Plumped Red gives me that extra little color and boost when I really want my lips to pop," the actress said.

The result? A gorgeous Leighton Meester ....

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.