You Need to See Christina Aguilera Teach Melissa McCarthy and James Corden How to Go "Full VH1 Diva"
First step: Be Christina Aguilera.
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LOS ANGELES, CA - NOVEMBER 19: Christina Aguilera sings tribute to Whitney Houston onstage during the 2017 American Music Awards at Microsoft Theater on November 19, 2017 in Los Angeles, California. (Photo by Chris Polk/AMA2017/Getty Images for dcp)
