Denise Richards and Patrick Muldoon were one of the It couples of the '90s. The pair met in 1997 while filming Starship Troopers, which was released the following year. While they split in 2000, Richards and Muldoon stayed close friends. They even referred to each other as "schweet babe" even after their breakup. "I've known Patrick Muldoon since I was 19 years old," Richards said during a 2019 episode of The Real Housewives of Beverly Hills. "We call each other 'schweet babe' because we had nicknames on Starship Troopers for everyone.