Leighton Meester Celebrates Nylon Cover!

Leighton Meester was the center of attention at her Nylon cover party in New York City.

The "Gossip Girl" star hit up the W Hotel Downtown with costars, Michelle Trachtenberg & Minka Kelly.

Jessica Szohr & Michelle Trachtenberg: Store Launch Ladies

Jessica Szohr and Michelle Trachtenberg were spotted out in Los Angeles, California.

The "Gossip Girl" co-stars posed for the photographers at the IN ADD MINUS flagship store launch.

Abigail Breslin & Michelle Trachtenberg: Lucky Ladies

Abigail Breslin & Michelle Trachtenberg hit up the 10th Anniversary Lucky Shops VIP Night in New York City.

The two actresses looked beautiful as they workedthe red carpet for photographers at the arrivals area.

Michelle Trachtenberg: HBO Beauty

Michelle Trachtenberg was spotted at the HBO Primetime Emmy Awards After party.

The "Mercy" actress arrived at the Pacific Design Center looking very lovely as she posed for the paparazzi.

Michelle Trachtenberg Hangs With Sarah Michelle Gellar!

Michelle Trachtenberg and Sarah Michelle Gellar were all smiles in Los Angeles, CA.

Both dressed in business suits, the pair joyfully picked out a few items from the baby boutique Eggy before continuing about with the day's agenda.

Gossip Girl Season 4 Trailer!

Nikki Reed & Michelle Trachtenberg: Torch Launch Ladies

Nikki Reed and Michelle Trachtenberg looked to be in good spirits at the Blackberry Torch Launch.

The "Twilight" cutie and the "17 Again" actress posed together as they arrived at the Los Angeles event.

Michelle Trachtenberg & Jessica Szohr Check Out Twelve

Jessica Szohr and Michelle Trachtenberg were spotted at the premiere of the movie “Twelve” in New York City.

The “Gossip Girl” co-stars both looked lovely as they posed for the paparazzi on the red carpet outside the Landmark Sunshine Theatre.

Michelle Trachtenberg: Bing Beauty

Michelle Trachtenberg was spotted at the Launch of Bing Entertainment in Hollywood, CA.

Michelle Trachtenberg: Sally Hansen Sweet

Michelle Trachtenberg was spotted at the Sally Hansen manicures charity event at the Hollywood & Highland Courtyard to support the DKMS organization.

Michelle Trachtenberg: CFDA Cutie

Michelle Trachtenberg was spotted at the 2010 CFDA Awards at Alice Tulley Hall at the Lincoln Center in New York City.