Beyonce sings for President Barack Obama and first lady Michelle Obama at the Neighborhood Inaugural Ball in Washington. Photo Alex Brandon/AP.
Kanye West performs at the Youth Inaugural Ball at the Washington Hilton in Washington. Photo Carolyn Kaster/AP.
Alicia Keys performs at the Neighborhood Inaugural Ball. Photo Alex Brandon/AP.
Mary J. Blige performs at the Neighborhood Inaugural Ball. Photo Alex Brandon/AP.
Shakira performs at the Neighborhood Inaugural Ball. Photo Alex Brandon/AP.
Vice President Joe Biden talks to Marc Anthony and Jennifer Lopez at the Mid Atlantic Ball in Washington. Photo Gerald Herbert/AP.
Jay-Z and Beyonce try to find their seats as they arrive for the inauguration ceremony at the US Capitol in Washington. Photo Jae C. Hong/AP.
Singer Sheryl Crow is joined by an unidentified US Marine during her performance at the Midwestern Ball at the Convention Center in Washington. Photo Manuel Balce Ceneta/AP.
Aretha Franklin performs at the swearing-in ceremony at the US Capitol in Washington. Photo Ron Edmonds/AP.
Stevie Wonder and Sting perform at the Neighborhood Inaugural Ball. Photo Alex Brandon/AP.
Hollywood brought a touch of levity to President Barack Obama's inauguration events. Photos from AP.