"Everyone loved her," the actress said of her "Gossip Girl" costar, who died in February at age 39.Leighton Meester is still processing the death of her Gossip Girl costar Michelle Trachtenberg.In an interview with Flaunt,

Leighton Meester is speaking out about her Gossip Girl co-star Michelle Trachtenberg’s death for the first time. Trachtenberg, who played Georgina Sparks on the hit drama, died in February at age 39 from complications of diabetes mellitus, the New York City Office of Chief Medical Examiner previously confirmed.