NEW YORK (AP) — Mariah Carey and Nick Cannon celebrated their fourth anniversary with another milestone — becoming parents to a baby girl and boy. Carey's representative, Cindi Berger, confirmed the births to The Associated Press. The singing superstar gave birth Saturday at 12:07 p.m. EDT at an undisclosed hospital in Los Angeles. Berger says the baby girl was born first, weighing 5 pounds, 3 ounces, and was 18 inches long; her brother was next, at 5 pounds 6 ounces, and was 19 inches. Berger says the couple has not named the children yet. Cannon drove Carey to the hospital in their Rolls-Royce Phantom. Berger said the 41-year-old Carey, who had gone through false labor, was calm, thinking that it was another false alarm. Meanwhile, the 30-year-old Cannon was so nervous he went to the wrong department at the hospital, and was guided to the maternity ward by a nurse. "It was like right out of an 'I Love Lucy' skit," said Berger. Berger says they were listening to ...