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.”

Michelle Trachtenberg got emotional about starring in 'Harriet the Spy' with Rosie O'Donnell on the film's 25th anniversary.

Rosie O’Donnell, who starred alongside Trachtenberg in Harriet the Spy, told People she “loved her very much. She struggled the last few years. I wish I could have helped. J