Watch full video of Michelle Obama sing to Beyonce, Stevie Wonder

James Corden's White House tour took a different turn when First Lady Michelle Obama joined him for a drive around the grounds singing Stevie Wonder and Beyonce.

A surprise guest, Missy Elliott, also dropped in to sing "This Is For My Girls."

"Hey there. I hear you are here for a 1.45 tour, and I had a little time on my hands,"  Michelle said as she got into the car.

During their ride, she revealed that her ride is the second time in seven and a half years that she has been able to sit in the front seat of a car and listen to music.

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The First Lady joins stars like Elton John, Gwen Stefani, One Direction, Adele among others to appear on show.