'Will & Grace' turns 20: The cast through the years (69 images)

McCormack (L), holds the award for Favorite Television Comedy Series for "Will & Grace," as he poses with cast members from left to right, Messing, Mullally and Hayes backstage at the 31st Annual People's Choice Awards in Pasadena, Calif., on January 9, 2005. File Photo by Raphael Lanus/UPI

Co-stars Messing (R) and Dermont Mulroney arrive at the premiere of "The Wedding Date" in Los Angeles on January 27, 2005. Messing plays Kat Ellis in the film. File Photo by Francis Specker/UPI

McCormack (R) and Messing attend the 2005 NBC TV Upfronts held in New York on May 16, 2005 at Radio City Music Hall. File Photo by Ezio Petersen/UPI

Hayes speaks during the Muscular Dystrophy Association's 40th annual Jerry Lewis MDA Telethon held in Beverly Hills, Calif., on September 5, 2005. File Photo by Phil McCarten/UPI