Daniel RadcliffeDaniel RadcliffeOh boy, have those kids from Harry Potter grown-up before our very eyes.

They're not little 'uns any more.

And that's been a bit of a problem now that Daniel Radcliffe and his male co-stars have started growing face stubble.

In fact, the cosmetic staff have been struggling to keep the boys looking young on the latest Harry Potter flick.

Actor Matthew Lewis, who has played Harry's mate Neville Longbottom since the beginning of the series, told the Daily Express: "Some of us shave now!

"We come in and the make-up ladies say: 'I'm sick of having to shave you. Will you just do it before you come in?'

Matthew LewisMatthew LewisHe added: "Even if it's a bit of bum fluff, they have to get rid of it."

Not to mention loads of make-up to keep their skin looking fresh and acne-free.

Welcome to manhood, boys.