Spotted: Blair swaps her signature headband for a beret.

As our favorite Gossip Girls leave New York City's Upper East Side for a stab at high-society Parisian living, we look back on some of our favorite "G.G." style moments, while gearing up for fabulous couture to come.

Since Blair Waldorf (Leighton Meester) and Serena van der Woodsen (Blake Lively) took over the Big Apple's scandalous social scene, salacious gossip and designer fashion have never been so outrageously irresistible.

The show's look into the decadent lives of New York City's elite packs enough Christian Louboutin heels, Chanel handbags, and Bulgari diamonds to drool over.

Check out some of our favorite fashion moments from the past three seasons, and tune into CWTV Monday, Sept. 14th for the premiere of the fourth season.