Photo: Bauer-Griffin/Erotreme.co.uk / Mike Disciullo

Count another one for Blair Waldorf.

Leighton Meester, who plays the brunette schemer on "Gossip Girl" (she's pictured in character), has inked a deal to be the new face of Missoni, E! News reports.

Just last month, StyleList reported that Meester, who already has a deal to rep Herbal Essences hair-care line, was also the new face for Vera Wang's fragrance campaign.

And of course, the young starlet appears this month with Gwyneth Paltrow and Tim McGraw in the feature film "Country Strong."

Got all that?

Here's hoping all the fashion and beauty riches don't cause any queen-bee feuding on the set of Meester's "Gossip Girl" day job, now that fellow star (and reputed off-screen rival) Blake Lively has signed to do an ad campaign for Karl Lagerfeld at Chanel.

"She wants to be high-end, like Blake," a source told E!

Meester may have put that potential rivalry to rest when she steadfastly denied in this month's Allure magazine any competitive feelings or animosity toward her co-star.

One thing's for sure, there will be no shortage of high-end looks being worked by the gossipy ladies on or off the "G.G." set.

Meester's campaign for Missoni is set to launch next spring, around the same time as Lively's ads for Chanel.

Meanwhile, Hollywood progeny Rumer Willis has just signed her own deal to star in ads for a major fashion house.

And read about "Gossip Girl" stylist Eric Damon's new collaboration with retailer Charlotte Russe.