In what is probably the most famous example of an actress gaining weight to play a role,
Renee Zellweger put on 30 pounds to play the lovable Bridget Jones—not once but twice, for the sequel. It wasn't all late-night parties with Ben & Jerry however. "I had a panic attack with all the specialists talking about how bad this is for you long-term, putting on that much weight in short periods of time,"
Zellweger says.
