NO more celebrity babies!

LOS ANGELES (AP) — Melissa Joan Hart, who starred in the TV series ``Sabrina the Teenage Witch,'' is reportedly expecting her first child. Hart, 29, is married to Mark Wilkerson, 28, lead singer and guitarist for the rock trio Course of Nature. Their baby is due in January, People magazine says in its July 11 edition. ``I'm thrilled to death,'' Paula Hart, the actress' mother, told People. ``Melissa is feeling great. So far, so good.'' Hart and Wilkerson were married in July 2003. Best known for her role as Sabrina on the WB sitcom, Hart also played the spunky namesake of Nickelodeon's ``Clarissa Explains it All.'' Hart stars in the upcoming film ``Jack Satin.''