Miley Cyrus
Before
It's no wonder young Miley's smile had a touch of the redneck about it with Billy Ray 'Achy-Breaky' Cyrus her daddy...
Miley Cyrus
After
...but thanks to a gleaming set of veneers, the Hannah Montana star's toothy pegs are now more Hollywood than Hillbilly.
Anne Robinson
Before
Pre-Weakest Link, Anne Robinson's Rottweiler interviewing technique wasn't the only scary thing about her if, er, those tombstoners are anything to go by...
Richard Gardner / Rex Features
Anne Robinson
After
...thankfully stardom stateside and the obligatory extreme smile makeover have ensured Anne's bark is now far worse than her bite...
Rex Features
Jodie Marsh
Before
And if you thought this set of bleached-to-within-an-inch of their lives gnashers was blinding enough, make sure you don your shades for...
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Jodie Marsh
After
...Ms Marsh's all new smile, which she shamelessly blagged by appearing as a guinea pig on Five's Cosmetic Surgery Live.
Nicole Kidman
Before
The Oscar-winning A-lister was just yer regular Sheila back in the day, with freckles, frizzy hair...and a natural, slightly yellow smile...
Sipa Press / Rex Features
Nicole Kidman
After
...a couple of decade later her smile's not the only thing that's had a makeover, with Nicole looking a million miles away from her '80s self.
Celine Dion
Before
Even the Prima Dion-a herself admits her freak show teeth (seen here after the first set of veneers were fitted) were serious stumbling blocks to success...
Pat Mawell / Rex Features
Celine Dion
After
Thankfully LA's finest cosmetic dentists capped 'em beyond perfection and Canada's number one chanteuse hit the big time.
Steve Granitz / WireImage.com