The celebrity head count was high at a Los Angeles party celebrating the first birthday of Stella Spelling, daughter of actress Tori Spelling, a guest says.

An unidentified guest to Saturday's party at a private Encino district estate said Spelling appeared to be thoroughly enjoying the celebration with Stella and the birthday girl's 2-year-old brother Liam, reported Sunday.

"Stella was clapping her hands and enjoying the music," the guest said. "And Tori and Liam were singing along to the songs."

Among those celebrating alongside Spelling and her husband, Dean McDermott, were Scott Baio, Harry Hamlin, Melissa Joan Hart and Lisa Rinna. said the birthday party featured ladybug sprinklers and an insect zoo for child guests to use, along with pony rides and a cookie-decorating station.