Dancing With the Stars, ABC's reality competition about alleged celebrities, who dance, has announced the cast for its 11th season, which premieres in late September. But who are these "stars"? And what, exactly, are they "famous" for?

Meryl Streep celebrates her 60th birthday today. Cyndi Lauper is turning 56. Rob Wiesenthal, Sony's No. 2 exec, is 43. Legendary M&A attorney Marty Lipton is turning 78. Kathryn Wylde, president of the Partnership for NYC, is 63. Senator Dianne Feinstein of California turns 76. Carson Daly is turning 36. Author Dan Brown is 45. Tracy Pollan, the actress and wife of Michael J. Fox, is turning 49. Actress Amy Brenneman is 45. TV personality Jai Rodriguez turns 30. Erin Brockovich is 49. Donald Faison of Scrubs is 35. Kurt Warner, the former Giants quarterback, is turning 38. Singer and drag queen Kevin Aviance is 41. And Lindsay Wagner of Bionic Woman fame is 60 today.