What's the secret to that 1,000-watt smile? Turns out, some celebrities in Hollywood could probably tell you -- judging from their before-and-after photographs.
Here's a roundup of famous faces who look like they've undergone some toothy transformation over time.
Advertisement
Miley Cyrus:
Cheryl Cole:
Zac Efron:
Ben Affleck:
Hilary Duff:
Nicolas Cage:
