There will be someone shakin’ it 4 daddy in Robin Thicke’s life in a few months, only it’s not going to be a curvaceous female rapper in a short, tight skirt. Instead it’ll be he and wife Paula Patton’s first son. Tyra Banks asked the Sex Therapy crooner on her talk show yesterday whether he thinks his namesake will follow in his sultry footsteps as a singer. Then she let her audience members ask Robin for advice about—what else—doin’ the nasty.