Kym Marsh took to social media with a touching message for her daughter on her birthday. The BBC Morning Live star celebrated her daughter Polly's 14th birthday on Instagram on Sunday March 23 with a gushing message. She shared: "Happy 14th birthday to my beautiful, amazing, funny, talented, wonderfully weird, pain in the bum Polly! Read more Mrs Hinch 'books appointment' for baby after noticing worrying symptoms "This is the only photo she will allow me to post but it just sums up our relationship!! "Polly you are awesome! ! ! Tricky at times and challenging hahah but I wouldn't trade you for anything or anyone! "I am so very proud of you, particularly at the moment, you are on the up kiddo! "You really are my rainbow baby in every sense." Continuing her heartfelt birthday tribute, Kym wrote: "Thank you for brightening up my world. "I love you with all of my heart. My baby girl, my sunshine, my little best mate. "Always and forever! ! Happy birthday my gorgeous girl." Kym and her former partner Jamie Lomas welcomed Polly into the world two years after their son Archie sadly passed away moments after his birth. Every year, actress Kym Marsh celebrates his birthday after being born just 21 weeks into her pregnancy. She held her son and organised a funeral for him. Kym also has a son named David, born in 1995, and a daughter named Emilie, born in 1997, from a relationship with Dave Cunliffe.