Article continues below advertisementJessie J is bouncing back from cancer, bikini style.The "Price Tag" singer, 37, scorched in a plunging, black one-piece swimsuit on her Instagram Story the weekend of November 30.Jessie ran a hand through her hair and popped her hip as she posed in the bathroom mirror.Article continues below advertisementSource: @jessiej/InstagramJessie J flaunted her figure in a deep-cut bathing suit."Post baby, Post cancer, This Aries mamma is starting to get her spicy back," she wrote.