Dance Moms Abby Lee Miller undergoes weight-loss surgery shortly before prison sentencing 04/24/2017 Abby Lee Miller has decided to make a huge change in her appearance during a tumultuous time in her life. Read More RELATED NEWS Abby Lee Miller: My cancer is completely gone, I'm more than gratefulAbby Lee Miller reflects one year after spinal surgery'Dance Moms' alum Ava Michelle to star in Netflix's 'Tall Girl' film TAGS: Dancing with the Stars Cheryl Burke Abby Lee Miller