'The Proposal' Costumer Recalls 'Hilarious' Betty White in Wedding Dress Fitting Scene

people.com: Some projects — and some people — stay with you long after you leave them behind. That was the case for costume designer Catherine Marie Thomas, who worked on The Proposal, which was released exactly 15 years ago on June 9, 2009. Thomas tells PEOPLE that it was a "very special group" of people who came together to make that movie.