1. March 27, 1970: "We Belong Together" singer and American Idol judge: Mariah Carey
2. January 11, 1971: She's "Not Gon' Cry" if her birthday party isn't a "Family Affair": Mary J. Blige
3. June 5, 1971: Once a rapper with the Funky Bunch, now an Oscar-nominated actor from such films as Boogie Nights and The Departed" Mark Wahlberg
4. July 1, 1971: Misdemeanor: Missy Elliott
5. December 24, 1971: Puerto Rican singer born Enrique Morales: Ricky Martin
6. September 21, 1972: Oasis lead singer and younger brother of the guitarist: Liam Gallagher
7. October 28, 1972: "This Is Country Music" and that's what he sings: Brad Paisley
8. June 26, 1973: "Redneck Woman": Gretchen Wilson
9. May 30, 1974: Half of Gnarls Barkley; probably more famous for "Forget You": Cee-Lo Green
10. March 15, 1975: The Black-Eyed Pea whose last name is Adams; I'd give it away if I told you his first name: will.i.am
11. November 1, 1975: Long-haired American Idol contestant who memorably sang acapella in one show: Bo Bice
12. October 7, 1976: Does he make you proud?: Taylor Hicks
13. March 2, 1977: Lead singer of Coldplay and Gwyneth Paltrow's husband: Chris Martin
14. November 14, 1977: "Real name, no gimmicks" Eminem collaborator: Obie Trice
15. August 1, 1978: George's boy and the leader of thenewno2: Dhani Harrison
16. December 2, 1978: "Promiscuous" and "I'm Like A Bird" singer: Nelly Furtado
17. February 11, 1979: "Have You Ever" singer, actress, and Snoop Dogg's cousin: Brandy

Bonus: Identical twins Joel Madden and Benji Madden were born on March 11, 1979. What band are they part of?: Good Charlotte