Miley got straightened out
Nicknames Smiley Miley, 16-year-old Miley Cyrus now has perfect teeth to match her sassy attitute. "She probably had whitening and bonding," says cosmetic dentist Dr. John Badolato, who hasn't treated Miley.
Zac got his gap fixed
Unlike his High School Musical persona, Zac Efron, 21, says he was a geek growing up. "I had a huge gap in my teeth. I got teased," says Zac, who had the space closed before filming the first HSM movie in 2005.