Sexier with Age!

Check out Patrick Dempsey, Brad Pitt and 9 other stars who've only gotten better with time. By Emily Fromm

NEIL PATRICK HARRIS

Harris (left, in 1994) has come a long way since his dorky Doogie Howser, M.D days. As wannabe ladies' man Barney on CBS's How I Met Your Mother, Harris, 32, gets to show his comedy chops ("I have to tread the line between cool and jackass," he says) and sport Barney's trademark tailored look: "I'm a jeans and T-shirt guy for sure, but I like the suits. Today I wore Dolce & Gabbana. It's very exciting."