DANCING WITH THE STARS THE RESULTS SHOW - "Episode 608A" - "Dancing with the Stars" commemorates a milestone, celebrating its 100th episode TUESDAY, MAY 6 (9:00-10:02 p.m., ET) on the ABC Television Network. Season Two finalist Mario Lopez returned to the ballroom as "Macy's Stars of Dance" presents "A Chorus Line." Mario is currently starring in the Broadway production of the hugely successful musical. (ABC/KELSEY McNEAL)