Best Year Ever: Selena Gomez
Selena's stardom has definitely risen since her days on Disney! The actress/singer released another album, "When The Sun Goes Down", in June, and starred as the lead actress in 'Monte Carlo.' But the 19-year-old definitely lucked out in the love department as well. Selena's widely-publicized romance with Justin Bieber only grows stronger, and they have become the tween world's hottest couple. What's next for Selena in 2012? Her signature perfume hits stores in spring, and she's also set to become a big sister! Her mom, Mandi, and stepfather, Brian, are expecting their first child together.