Dancing with the Stars Mark Ballas worried about Bristol Palin 'Dancing with the Stars' 09/11/2010 Friends of Mark Ballas tell TMZ his partner on "Dancing with the Stars," Bristol Palin, has missed so many practices their performance might be embarrassing. Read More RELATED NEWS Bristol Palin to give away copies of her 'Not Afraid of Life' memoir'Dancing with the Stars' beats 'American Idol' in ratings showdownBristol Palin confirms she underwent "corrective jaw surgery" recently TAGS: Dancing with the Stars Mark Ballas Bristol Palin Sarah Palin
