She hopes to do better than `` Shore '' co-star Mike `` The Situation '' Sorrentino , who finished ninth in season 11 . ` ` Dancing With the Stars '' has several surprising new cast members . Host Valerie Harper will return despite a cancer diagnosis . The show 's season premiere is September 16 .
` ` Dancing With the Stars '' has several surprising new cast members . Host Valerie Harper will return despite a cancer diagnosis . The show 's season premiere is September 16 .