Jelly Roll is still dropping pounds and making sure everyone notices ... hitting a pre-Grammy party looking noticeably slimmer and more confident than ever. The singer stepped out Saturday night at a pre-Grammy gala in Los Angeles alongside his wife, Bunnie XO , confidently posing on the red carpet and showing off a noticeably slimmer frame as he continues to shed more weight. He looked relaxed, happy, and proud ... the kind of confidence that only comes from putting in real work. As we've