Former Hollyoaks actress Ali Bastian and husband David O'Mahony have reason to celebrate on our photoshoot.The parents are announcing Ali is 20 weeks pregnant with her second child and their two year old daughter Isla will become an older sister. Here the couple reveal all on the pregnancy so far, the sweet way they told Isla about her sibling and the touching tributes they pay to each others as parents, exclusively for OK! VIP readers. Sign-up or login below to read the full article and see all the gorgeous photos.