According to People magazine, Jennifer Lopez gave birth early Friday (February 22) to twins, making the pop star and actress a first-time mom. The babies — a girl and a boy, delivered in that order — were born on Long Island, New York, and weighed in at 5 pounds and 7 ounces, and 6 pounds, respectively. The newborns are husband Marc Anthony`s third and fourth children. Lopez`s pregnancy was once a closely guarded, yet poorly kept, secret that provided ample ammunition for rampant online media speculation — that is, until Lopez confirmed her pregnancy back in November, during a concert in Miami. It was the last stop on the couple`s joint U.S. tour, and the last of a so