The 10th season of “Dancing with the Stars“ kicked off with a rundown of the show's history by the numbers. There have been 27 pros, 104 celebrities and 818 routines. Host Tom Bergeron introduced new co-host, Season 7 champion Brooke Burke, and we were off and dancing (after the initial intros of the pairs):Wide receiver Chad Ochocinco & Cheryl BurkeActress Shannen Doherty & Mark BallasESPN anchor Erin Andrews & Maksim Chmerkovskiy“Bachelor“ Jake Pavelka & Chelsie HightowerComedian Niecy Nash & Louis van AmstelGold medal figure skater Evan Lysacek & Anna TrebunskayaAstronaut Buzz Aldrin & Ashly CostaPussycat Doll Nicole Scherzinger & Derek HoughSoap opera star Aiden Turner & Edyta SliwinskaReality TV star Kate Gosselin & Tony DovolaniActress and model Pamela Anderson & Damian WhitewoodChad & Cheryl: First up was Chad Ochocinco, who talked about how his only dance experience is in the end zone after scoring touchdowns.