Girl's Aloud star Cheryl Cole spends hundreds of thousands of pounds on the latest beauty products, style advice and personal trainers, according to a source.The 25-year-old singer, who is currently reprising her role as a judge on the X Factor after helping Alexandra Burke to win last year's series, is reportedly splashing out £100,000 a year on looking good and staying in shape.A source told Closer magazine that Cheryl sees it as an investment to help her further her career."Cheryl is the most ambitious person I know. She spends a lot of money looking her best, but it's not about vanity, it's about achieving as much as she can," the mole told the magazine.She has reportedly hired a personal stylist for £30,000, splashes out £9,000 a year on hair, pays £12,000 for a private dietician, spends £14,000 on personal training sessions, £5,000 on treatments and has bought a fat-burning machine for £36,000.Cheryl recently won a Glamour Award for best TV personality for her stint as an X Factor judge, as well as picking up Band of the Year along with her Girls Aloud bandmates.(c) 2008 Adfero Ltd.