Diana Ross has been named the headliner for “Dick Clark’s New Year’s Rockin’ Eve.” The pop icon will perform a medley of hits, including “I’m Coming Out” and “Upside Down.” The show will feature 39 artists from locations like New York, Las Vegas, and Chicago. Other performers include Mariah Carey, Post Malone, and Demi Lovato. The event will air live on ABC on Dec. 31 at 8 p.m. EST and repeat on Hulu. Ryan Seacrest and Rita Ora will host from Times Square, with Chance the Rapper in Chicago and Rob Gronkowski in Las Vegas.