The power of a smile is unrivalled and while most women (93%) smile just to appear friendly, 50% of UK men use theirs to attract the opposite sex, sometimes leading confusion about what each other wants.

"Women tend to smile more than men for social approval which is probably why their smiles can be perceived as less reliable and more often as a flirt signal," explained body language expert Judi James:

But the way we show our pearly whites can reveal more about us than you'd ever imagine. And the best smilers of all are the famous faces from the land of showbiz.

A survey by dermal filler makers Juvederm has uncovered the smiles Brits want most as well as the secrets behind those celebrity shines.