The post featured a sweet black and white snap of Emily with Alistair and their new arrival lying on Emily's chest.
The daughter of actor Anthony Head, who also appeared in The Inbetweeners as Will’s dad, Emily starred as Carli, the woman of Simon’s dreams.
Several months after welcoming their first child together, Emily, 35, and her scientist boyfriend, Dr Alistair Garner, 39, have put on a very smitten public display.
Last June, Emily and her brainy partner welcomed their first child together, a baby boy named Barney James.
EMILY Atack has made a very rare public appearance with her partner Alistair Garner.