The singer stays hot in a revealing lemon gown while celebrating in D.C. Plus: Miley Cyrus, Kristen Stewart, Mariah Carey and more

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LEAN ON ME

Jay-Z gives wife Beyoncé a comfy spot to rest while catching the inauguration ceremonies from a prime perch Tuesday on Capitol Hill in Washington, D.C. Later, the singer serenaded President Obama and wife Michelle during their official first dance at the Neighborhood Ball.

See all the stars paying tribute to the President Obama in Washington.