Leighton Meester is all smiles as she arrives at the Christian Dior Ready to Wear Spring / Summer 2012 show during Paris Fashion Week held at Musee Rodin on Friday afternoon (September 30) in Paris, France.

The 25-year-old Gossip Girl actress wore an off-the-shoulder Christian Dior ruffle dress with Dior fine jewels and “Promenade” bag. She completed her look with Louis Vuitton pumps with three white bows.

PHOTOS: Check out the latest pics of Leighton Meester

“Hey, beautiful!” Leighton said as she ran into costar Roxane Mesquida, who plays her nemesis on the show.

10+ pics inside… More Here! »

Leighton Meester smiles demurely as she attends the HTC Serves up NYC Product Launch event at the Highline Stages on Tuesday (September 20) in NYC.

The 25-year-old actress, donning a black Marios Schwab dress paired with Fallon Jewelry and Burberry beaded heels, attended the celebration, which featured three of New York’s top culinary talents serving up their own culinary delights for guests to enjoy.

Fashion designer Charlotte Ronson, co-founder of Foodspotting Soraya Darabi, and film director Max Winkler hosted the event, and DJ Harley Viera-Newton and DJ Ana Calderon provided music for the evening.

15+ pics inside of Leighton… More Here! »

Leighton Meester is escorted onto the Gossip Girl set by a bodyguard in New York City on Friday morning (September 16).

The 25-year-old actress mixed up Blair’s wardrobe with a little pink wearing a Moschino ruffle pearl tweed jacket with an Alberta Ferretti embellished neck tie chiffon dress while walking and talking down the city streets.

Leighton completed the look with a Marc Jacobs quilted handbag and Roger Vivier “Platform Court” heels.

Leighton will also be on hand for the HTC Serves Up NYC Product Launch Event on Tuesday in NYC. Stay tuned for pics from the event!

FYI: Leighton is wearing a WkShp’s Southwestern Tank.

More Here! »

Leighton Meester lights up the Gossip Girl set as she films a new scene in Brooklyn, New York on Wednesday morning (September 14).

The 25-year-old actress pulled together her look with a whistle and looks like she’s putting Blair’s potential bridesmaids through the ultimate test!

Leighton recently chatted with EOnline about her dual career in music and acting and revealed she could never choose just one. “Both is where it’s at. If I had to choose, I think I’d be very unhappy.”

More Here! »

Leighton Meester steps out in head to toe Alexander McQueen Resort 2012 at the premiere of The Oranges during the 2011 Toronto International Film Festival in Toronto on Friday night (September 9).

The 25-year-old actress also posed for a few pics at Guess Portrait Studio before chatting with Variety at the Variety Studio At Holt Renfrew on Sunday afternoon (September 11).

Leighton dolled up in a Louis Vuitton Resort 2012 dress, a Nonoo “Carlitta” jacket, and Pierre Hardy wedges for the session.

15+ pics inside of Leighton Meester… More Here! »

Leighton Meester looks beautiful in blue as she celebrates Fashion’s Night Out at Tiffany & Co. on 5th Avenue on Thursday (September 8) in Manhattan, NY.

The 25-year-old Gossip Girl star wore a dreamy blue floor-length dress to the store, where she held a special live acoustic performance for guests.

Earlier in the week, Leighton hinted on Twitter what songs she was going to perform for the FNO event.

Leighton tweeted, “4 acoustic songs, 2-3 guitars + special intro cover song!”

P.S. The special intro cover song Leighton performed was Pink Floyd‘s “Shine On You Crazy Diamond.” More Here! »

Leighton Meester shields herself from the rain with a colorful umbrella in New York City on Tuesday afternoon (September 6).

The 25-year-old Gossip Girl actress recently spoke with the Vancouver Sun about becoming the face of Vera Wang‘s Lovestruck and the friendship between the two of them.

Leighton shared, “I saw her across the aisle during a big fashion show. I looked at her and was like – it’s Vera Wang! And she pointed at me and said she wanted to talk to me. ‘Who, me?’ I got to do a fitting with Vera Wang in the studio. She made it just for me. A princess dream moment.”

FYI: Leighton is toting the Jimmy Choo “Zena” bag and wearing Jimmy Choo “Hunter” Boots.