Stunning actress Demi Moore has put rumours to rest about her undergoing the knife. Recent headlines suggest that the 46-year-old actress has spent around $400,000 on a flawless frown, a lip enhancement, liposuction to her hips, thighs and stomach and a breast lift. Demi has told French fashion mag Marie Claire that she has never enhanced her look with plastic surgery — instead she claims her secret lies with exercise and diet.