The GLAAD Media Awards program is heating up. Demi Lovato is confirmed to perform at the 37th annual event — taking place in Los Angeles on March 16, and streaming on Hulu — ahead of launching her arena tour, It’s Not That Deep, in April. The show has also found a host in Jonathan Bennett. Both Lovato and Bennett are GLAAD Award winners; a Vanguard Award for her and outstanding film, streaming or TV, for Hallmark’s The Groomsmen: Second Chances for him. (Lovato’s GLAAD performance will be presented by Hyundai Motor America.) Along with news of the host and performer, GLAAD has also announced a roster of confirmed guests who will be in the room next month, including “cast and creatives” from the pop culture phenomenon Heated Rivalry, which is nominated. Also coming: Abe Sylvia, Camila Mendes, Cara Delevingne, Claybourne Elder, Colton Underwood, Don Lemon, Eugene Daniels, George Wallace, Jessica Hargrave, Jonathan Capehart, Karolina Wydra, Kristen Wiig, Lauren Chan, Laverne Cox, Lili Reinhart, Mason Blomberg, Megan Falley, Melissa Fumero, Miles Heizer, Mindy Cohn, Paul Feig, Rhea …