Erin Ludwig and Ian Ziering

Ian Ziering and wife Erin are expecting a baby girl, People reports.

"Erin and I are very excited to be parents. It's something we both have always wanted," the Beverly Hills, 90210 alum said. His wife, a nurse, is 4½ months along.

90210's Ian Ziering gets engaged

The couple married in May. It was the 46-year-old actor's second marriage after his first to model-actress Nikki Schieler Ziering ended in divorce in 2002.