Footballers always seem older than they are. Pop stars never seem to get any older than 30, ditto actresses. Hollywood's leading men are all around the 40 mark, aren't they?
With all the plastic surgery and beauty treatments, nutritionists and personal trainers it's no wonder it's difficult to tell how old celebrities really are.
And some of them insist on dressing like teenagers even though they're closer to menopause than puberty!
See how well you know your celebrity ages by taking our quiz.
To give you fair shot at guessing each celebs age we've only included un-airbrushed pictures.
Give each celeb age your best guess and we'll reveal the truth - it may surprise you!
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