There was a celebrity sing-a-long at the DNC Wednesday as some of Hollywood's biggest names came together to sing a rousing rendition of "What the World Needs Now." Idina Menzel, Darren Criss, Kristen... more 
There was a celebrity sing-a-long at the DNC Wednesday as some of Hollywood's biggest names came together to sing a rousing rendition of "What the World Needs Now." Idina Menzel, Darren Criss, Kristen Bell, Audra McDonald, Ben Vereen, Tyne Daly, Debra Messing, Richard Kind, Rosie Perez and others appeared together to sing the 1965 Jackie DeShannon tune. Rocker Lenny Kravitz took a break from opening for Guns N' Roses and rocked the Wells Fargo Center with his 1989 hit "Let Love Rule." less 
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Inside Edition CBS
Thu, Jul 28, 2016 1:52 PM EDT