AP - At 29, Nick Cannon has been a standup comedian, movie star, TV show host, comedy show star, producer and rapper — he may have Diddy beat for the title of mogul with the most hats.
AP - If you listen to some of the biggest hits of 2009, they'll seem familiar. That's because they came from albums released in 2008. That Beyonce smash? From "I Am ... Sasha Fierce," released last year. "Poker Face"? It was on Lady Gaga's 2008 debut. It's the same with the Kings of Leon and Taylor Swift.
