During her cover story with Flaunt Magazine, Leighton Meester finally opened up about her late Gossip Girl former co-star, Michelle Trachtenberg.

Leighton Meester has broke her silence on the 'devastating' death of her Gossip Girl co-star Michelle Trachtenberg. Michelle, ...

Gossip Girl star Leighton Meester has paid tribute to Michelle Trachtenberg, who worked alongside her on the TV show, ...