hellomagazine.com

Age: 45

With his salt-and-pepper hair and designer stubble, eternal bachelor-boy George was 33 when he first sent pulses racing on ER, and luckily for his fans he's got more gorgeous with every passing year. Recently voted People magazine's sexiest man alive for the second time - pipping even hunky pal Brad Pitt to the post - George is one of the world's most lusted-over leading men.

But there was a time when Dr Doug Ross wasn't so dishy. Rewind to the early Nineties when a big hair approach did him no favours at all and his youthful face lacked its lived-in charm.