LOS ANGELES- Sarah Jessica Parker and husband Matthew Broderick are expecting twin girls born to a surrogate, People magazine reported Tuesday.

"Sex and the City" star Parker, 44, and actor husband Broderick, 47, already have a six-year-old son together, James Wilkie.

People quoted a representative as saying the couple were "happily anticipating the birth of their twin daughters later this summer with the generous help of a surrogate. The entire family is overjoyed."

Broderick and Parker married in 1997.