Couple Welcomes Twins

Singer/actress Mariah Carey and husband Nick Cannon arrives at the 82nd Annual Academy Awards held at Kodak Theatre on March 7, 2010 in Hollywood. (credit: Jason Merritt/Getty Images)

Mariah Carey, Nick Cannon Parents Of Twins

Mariah Carey and Nick Cannon celebrated their fourth anniversary with another milestone — becoming parents to a baby girl and boy.