WATCH: Joe Jonas drives people around as Uber driver
WATCH: Lindsay Lohan gets soaked playing 'Water War' on 'Tonight Show'
WATCH: Joseph Gordon-Levitt recreates 'David After Dentist' viral video
WATCH: President Obama stumbles over 'R-E-S-P-E-C-T' for Aretha
Aloe Blacc featured on 'Need For Speed' soundtrack
WATCH: Phillip Phillips performs new single 'Raging Fire' on 'American Idol'
PHOTOS: Jessica Simpson reaches weight loss goal
WATCH: Rihanna clashes with reporter at Chanel catwalk show
Ke$ha gets out of rehab, reinvents herself as 'Kesha Rose'
Report: Justin Bieber sells Calabasas home to Khloe Kardashian