Article continues below advertisementBritney Spears made a racy return to Instagram.Over a week after the pop star deleted her account, she reactivated her page with a seductive video wearing her "church dress."In the short clip, Spears caressed her chest and legs as she mugged for the camera, donning a pink floral maxi.Article continues below advertisementSource: @britneyspears/InstagramBritney Spears posted a racy video in her 'church dress.'At one point, she hiked up her frock as she dropped low to the ground and touched her privates.