Keeping Her Shape Weighs On Jennifer Lopez. She knows that breasts and fat work as a team; buy one, you get the other free. But Lopez says the trick of keeping guys interested all boils down to sex appeal, no matter what shape you're in. She says, "Being sexy comes from being confident. People who are OK with themselves are the sexiest." The breasts and I couldn't agree more; confidence is sexy; And that's what its all about.