“RuPaul’s Drag Race” kicks off its 10th season 8 p.m. Thursday on VH1 with host RuPaul. Celebrity judges including Christina Aguilera, Kate Upton, Kumail Nanjiani, Audra McDonald, Nico Tortorella and Shania Twain will whittle down 14 contestants — including five from New York City — in the search for the next drag superstar.