Overview: Put your dancing shoes on, Strictly is back! It's glitz and glamour all the way as Tess Daly and Claudia Winkleman launch the new series. Get on board the Strictly express as the journey begins for 15 new stars, including the nail-biting moment when they discover who their dancing partners are. The couples then take to the dance floor to perform together for the very first time in their much-anticipated inaugural group routine. Will it be ballroom bliss or murder on the dance floor? Plus, music performances from soul star Gregory Porter and singing sensation Jess Glynne.