Mariah Carey Trips On Jay Leno Show (VIDEO)

Mariah Carey's penchant for sky-high heels almost cost her dearly when she tripped while walking out onto the stage during her appearance on The Jay Leno Show last night. The singer barely saved herself from taking an embarrassing tumble on national television. Later in the interview she joked that it was all choreographed just to make Leno nervous.

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