Nicole Scherzinger nabs season-seven champ Derek Hough; Chad Ochocinco is paired with two-time winner Cheryl Burke. By Jocelyn Vena Nicole Scherzinger Photo: Bruce Glikas/FilmMagic The 10th season of “Dancing With the Stars” begins on March 22, but fans are already eager to begin handicapping the contestants , especially now that the celebrities’ professional partners have been announced. Astronaut Buzz Aldrin will be hitting the dance floor with Ashly Costa (formerly known as Ashly DelGrosso). Pamela Anderson and “DWTS” newbie Damian Whitewood will be dancing together when the show starts up again. Maksim Chmerkovskiy will be paired with ESPN’s Erin Andrews. And Shannen Doherty will be gliding on the floor with two-time winner Mark Ballas. Other teams include reality-TV mom Kate Gosselin and Tony Dovolani, Olympic gold-medal figure skater Evan Lysacek
