Vanessa Kirby is a mom! The Fantastic Four: First Steps actress, 37, has welcomed her first child with retired lacrosse player Paul Rabil, as announced by the sportsman in an Instagram post on Sunday, October 19. Rabil, 39, posted several photos of the newborn on Sunday, including a picture of the little one resting on his father's bare chest. In another snap, Kirby is seen lying with the baby on a bed, while another picture features a closeup of the baby's foot. Rabil concluded the slideshow with a photo of two lacrosse sticks.