From PEOPLE Magazine Click to enlarge
Since her debut on the New Mickey Mouse Club 16 years ago, Spears has become a worldwide phenomenon, surviving her share of high-profile struggles. Now, after successfully completing her first tour in five years, the 28-year-old is embracing being a mom to the two sons she shares with ex-husband Kevin Federline. As for what 2010 will bring? "I'm taking it one day at a time," she says.