Overview: Oscar® nominee and '<b>Brokeback Mountain</b>' star HEATH LEDGER joins Ellen and takes a ride in a luge! Plus, SHERYL CROW chats with Ellen about her breakup with Lance Armstrong. SHERYL also performs "<u>Always On Your Side</u>" from her hit album "<u>Wildflower</u>." SHERRI SHEPHERD said she would do anything for Ellen…you won't believe what Ellen has in store for Sherri!