Lucy Mecklenburgh and Ryan Thomas looked every inch the excited parents as they posed for one more family photo ahead of the birth of their new arrival.MORE: Lucy Mecklenburgh surprises Ryan Thomas as due date nears - 'Praying my waters don't break'Taking to Instagram on Sunday, the former Coronation Street star uploaded a sweet snapshot of the couple with their son Roman, and Ryan's eldest child Scarlett. "The next time we have this picture there will be a little baby girl [heart emoji]," remarked Ryan.WATCH: Lucy Mecklenburgh works out during first pregnancyLucy added: "Last time we will be together as just a 4! Just realised you will soon be outnumbered @ryanthomas84 [two blue emojis and three pink emojis]." [sic]The actor's fans were quick to comment, with one writing: "Gorgeous family picture [heart emojis]."Another remarked: "Stunning family… Lucy looks so happy and relaxed - I couldn't even pretend to look relaxed for the gram… I was full on moody."Exclusive: Lucy Mecklenburgh and Ryan Thomas reveal gender of their second babyREAD: Lucy Mecklenburgh shares new update on son Roman after emergency hospital dashA third post read: "Awww can't wait to see baby girl and beautiful family photo all of you together." A fourth person stated: "Sarah's daughter is growing so lovely.