Rosie O’Donnell paid tribute to her former co-star, Michelle Trachtenberg, who was found dead in her New York City apartment on Wednesday. “Heartbreaking,” O’Donnell said in a statement to Us Weekly. “I loved her very much.”

Rosie O’Donnell has spoken out about Michelle Trachtenberg’s passing, saying the late actress had been “struggling” before her death. The 62-year-old shared her thoughts on Wednesday, just hours after the Gossip Girl star was found dead at 39 in her New York City apartment.