“Bachelor” Winner’s Offspring — On the Small Screen

Tmz :    Shayne Lamas’ unborn child is already acting like his/her mama — because the baby-to-be hammed it up for the cameras … during an ultrasound.

Lamas is expecting a child with hubby Nik Richie of TheDirty.com. The two went in for a check-up this week and Nik filmed the ultrasound — where their little boy/girl seemed to be waving up a storm on screen.

At one point, Richie swears he sees boy parts on the screen — but the nurse assures him it’s too soon to tell.