Donna Martin is graduating from one child to two!

According to In Touch Weekly, former Beverly Hills 902010 star Tori Spelling and her husband, actor Dean McDermott, are giving their son lil Liam, who turns one in March, a sibling. It said:

Tori Spelling and Dean McDermott are expecting their second child together, a close pal of Tori's confirms exclusively to In Touch. "They have been having so much fun with Liam, they couldn't wait to have another!" Though the pal wouldn't confirm exactly how far along Tori was, she hints that the actress is in her second trimester.