Having a team of hairdressers on speed-dial means that most celebrities have no excuse for looking less than perfect. Unfortunately, that wasn't always the case for these stars... By Tamara Hinson

Katie Holmes is famous for her sleek, shiny mane, but pre-Tom Cruise, her lank, lack-lustre locks were in serious need of some styling. "Katie is only young here, so we'll forgive her for this look," says celebrity hairdresser Richard Ward. "She has a strong centre parting, which makes her face appear incredibly long; not a good look!"