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.

Blake Lively, David Boreanaz, Ed Westwick, Kim Cattrall, Kenan Thompson, Melissa Joan Hart and more shared tributes to Trachtenberg.

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.