Adam Taylor via Getty ImagesDANCING WITH THE STARS - 'Episode 1701' -- 'Dancing with the Stars' is back with an all-new cast and fresh show format. The competition began with the two-hour season premiere, live, MONDAY, SEPTEMBER 16 (8:00-10:01 p.m., ET) on the ABC Television Network. Kicking off with a spectacular opening number featuring the entire cast, each couple then performed a Cha Cha, Foxtrot or Contemporary routine. (Photo by Adam Taylor/ABC via Getty Images)JENNIFER LOPEZ, CASPER SMARTQue se passe-t-il chez les vedettes cette semaine? Découvrez-le dans notre galerie photos et vidéos!INOLTRE SU HUFFPOSTLes potins de starsSee GalleryRelatedarianny celesteBrad PittCharlie HunnamChris Browndivertissement