Carol Vordenman has announced that her daughter Katie King has successfully become a doctor after she achieved her PhD in medical science. The 61-year-old gushed over her brunette daughter who focused her thesis on developing cancer treatments at Cambridge University.And the doting mum-of-two couldn’t wait to boast about her 30-year-old daughter’s impressive achievements online as she took to her Instagram account to share the joyous news with her 206,000 followers online. The Countdown icon posted a series of pictures of her beautiful daughter as the family celebrated her academic success together.