Actor Melissa Gilbert, who acted alongside Trachtenberg in A Holiday for Love, honored the late star on Instagram by sharing a picture of the two from the project. “Oh Michy…and we lived so close to one another…..my heart aches for your family and all those who loved you so…” she wrote.

PEOPLE confirmed the late actress' sudden death at age 39 Michelle Trachtenberg's sudden death is being felt across Hollywood. Several celebrities paid tribute to the Gossip Girl alum after the NYPD confirmed her death at age 39 to PEOPLE on Feb.

Kim Cattrall paid tribute to Michelle Trachtenberg following her death at age 39. “Rest in peace sweet Michelle ,” Cattrall, 68, wrote via Instagram on Wednesday, February 26, alongside a photo of her and Trachtenberg from their film Ice Princess.