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

Blake Lively, Rosie O'Donnell and other Hollywood figures are paying tribute to Michelle Trachtenberg, who died at 39.

She struggled the last few years. I wish I could have helped."Trachtenberg was found unconscious and unresponsive in her New York City apartment just after 8 a.m. Wednesday, when police and emergency medical workers responded to a 911 call.