Stars came out on Wednesday night to sing a tribute to the victims of the mass shoScreenshot/PBS NewsHour

A group of Broadway stars sang"What the World Needs Now" at the Democratic National Convention on Wednesday. The performance was a tribute to the victims of the Orlando mass shooting, which left 49 dead at gay nightclub Pulse in June.


Performers includedactress Kristin Bell,Darren Criss,Tony winnersAudra McDonald, Brian Stokes Mitchell, Idina Menzel, Ben Vereen and Debra Messing.