Biggs, 35, confirmed the news when he responded to a remark from Handler about Mollen's breast size. "Her breasts are very big these days," the Orange Is the New Black star remarked. "'Cause I put a baby in her belly!"
Mollen, 34, also posted a sonogram photo on Instagram with the caption, "My new assistant is so f------ lazy!"
Biggs and Mollen have been married since 2008. Watch Biggs' Chelsea Lately interview below: