Demi Moore had one demand before she agreed to strip down to her bikini for her iconic role in 2003's "Charlies Angels: Full Throttle."On Tuesdays episode of "The Drew Barrymore Show," the actress told the host (who also starred in the film) that she learned about the scene with Cameron Diaz and Lucy Liu just three weeks before filming."All I remember is begging them not to shoot my butt. I dont know why that was my obsession,"Moore said.The actress told Barrymore that she was forced to "compartmentalize" and concentrate on the scene.DEMI MOORE RODE BIKE 60 MILES A DAY TO LOSE BABY WEIGHT AFTER 2ND CHILD WITH BRUCE WILLIS"I had no time to think about what I looked like, which was almost better,"Moore said.Barrymore chimed in, "No one can do in three weeks what you showed up with. So you were clearly good to go. Like theres no magic wand that gets you to that in three weeks. Ive done a three-week diet. I didnt end up there."Moore, who was 40 when she appeared in the "Charlies Angels" movie, said that she "wasnt prepared for the focus that happened from it.""I had no idea the amplification, ironically, that was specifically tied to my age. I turned 40 when we were shooting the movie," she continued.LIKE WHAT YOURE READING? CLICK HERE FOR MORE ENTERTAINMENT NEWSUltimately, Moore decided to sign on to the film after her three daughters Rumer, Tallulah and Scout convinced her."I had taken a break only to be with them. I stopped and was just with them until they finally were like, You have to do this movie. We love the first one. You have to do this movie. And please, arent you going to ever work again?'" Moore shared.Moore recalled thinking that it was important to show her daughters the "full expression of who she was"as a movie star.The actress appeared in "Charlies Angels: Full Throttle," the second film in the franchise, as Madison Lee, a former angel who would become the movies villain.The first "Charlies Angels" reboot, which starred Barrymore, Diaz and Liu, was released in 2000.CLICK HERE TO SIGN UP FOR THE ENTERTAINMENT NEWSLETTERIn 2003, her three daughters and ex-husband, Bruce Willis, were there to support her at the "Charlies Angeles: Full Throttle" premiere. She was also accompanied by her then-boyfriend, Ashton Kutcher.Moore and Willis tied the knot in 1987 before divorcing in 2000. They share three daughters.Moore married Kutcher in 2005 and divorced in 2013.