Recurring Guest Characters Andy Grammer 1 guest appearances Ariana DeBose 1 guest appearances Gloria Estefan 1 guest appearances Joss Stone 1 guest appearances Shania Twain 1 guest appearances Yolanda Adams 1 guest appearances Joe Biden 1 guest appearances Jill Biden 1 guest appearances Emily Estefan 1 guest appearances Darren Criss 1 guest appearances Samara Joy 1 guest appearances Ledisi Young 1 guest appearances Reneé Rapp 1 guest appearances St. Vincent 1 guest appearances Joe Walsh 1 guest appearances Dionne Warwick 1 guest appearances