Mariah Carey Performs 'Vision of Love' & 'Infinity' at the 2015 Billboard Music Awards

mariah carey
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Mariah Carey performs during the 2015 Billboard Music Awards at MGM Grand Garden Arena on May 17, 2015 in Las Vegas, Nevada. 

Mariah Carey brought down the house with a medley of her 1990 debut single "Vision Of Love" and her new single "Infinity" at this year's Billboard Music Awards on Sunday in Las Vegas. 

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Following a video tribute to the legendary chart-topper, "Las Vegas' newest resident headliner" appeared in an appropriately sheer and glittery confection to show off her signature runs (and high notes!) as Laverne Cox and Ellen Pomeo bopped along.

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Check out the performance below:


Billboard Music Awards 2015