Rosie O’Donnell is opening up about her decision to take the weight loss drug Mounjaro — and the early side effects she began noticing. But, part of it is Mounjaro,” O’Donnell, 64, said on the Tuesday, August 11, episode of the “Good Hang” podcast. Shortly after going on Mounjaro, O’Donnell went to Nobu and couldn’t “eat anything” after son Blake popped the question to Teresa Garofalow Westervelt. Related: Rosie O'Donnell Shows Off Weight Loss: ‘I Can’t Believe This is Me’ Rosie O’Donnell showed off her weight loss following her recent move to Ireland. She continued, “I had never lost weight for no reason, even when I tried to lose weight it was hard for me to lose weight.