Kimberly Guilfoyle has undergone a dramatic beauty transformation over the years. Now, a professional makeup artist is breaking down her evolving glam style — and explaining what may have gone wrong.

See the biggest makeovers from Australian Idol’s Transformation Week as the Top 12 contestants receive stunning superstar glow-ups.

It’s not just Demi Moore’s hair that’s undergone a major transformation. As well as trading her long, waist-skimming locks for a sharp, jaw-kissing bob, she’s just unveiled another noticeable shift: ...