US President Barack Obama waves at supporters during a campaign event at the Paul R. Knapp Animal Learning Center in Des Moines, Iowa.
Beyoncé performs on stage at Ovation Hall at Revel Resort & Casino in Atlantic City.
Luke James performs on stage opening for Beyoncé at Ovation Hall at Revel Resort & Casino in Atlantic City.
Will Smith visits the Formula One McLaren Mercedes stand in Monte Carlo, Monaco.
Meagan Good performs at the Pussycat Dolls Burlesque Saloon at the Planet Hollywood Resort & Casino in Las Vegas.
Nicole Richie departs David Jones after an autograph and photo call.