Carol Vorderman has proudly announced her daughter has passed her PHD at Cambridge University.
The 61-year-old was gushing as she revealed Katie achieved her childhood dream of becoming a doctor.
Carol said she was preparing for a "two day bender" on her Instagram Stories last night after receiving "big news".
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She shared an update with her 206k followers to confirm it was her daughter's stunning achievement as the former Countdown presenter declared she is "on top of the world".
She said: "Yesterday my girl Katie @katie.science passed her 'viva'....an interrogation of her PhD thesis by a panel of examiners.
"She can now call herself DOCTOR KATIE KING."
Carol continued: "So here's me as her Mum. So proud. I know all the struggles she's overcome, and the hard graft she's put in to become this fine young woman.
"I don't want this feeling to stop. She's on top of the world...yeah xx
"And quite honestly I am too and so is her little brother Cameron. What a lucky mother I am. Single parenting ain't that bad after all."
Celebrity fans and followers flooded the comments to congratulate Carol after the announcement.
Julia Bradbury said: "Congrats to you all."
Russell Davies added: "Wonderful! Congratulations!"
Vanessa Feltz posted:"Brilliant news. Congratulations to Dr. Katie"
Stella messaged: "Oh wow, how magnificent!! Congratulations & well done to Dr Katie and her proud mama."
Helen said: "Wow! How inspirational she is and how reassuring to read as a young single mother. Congratulations to you both xxx"
Fiona commented : "What an amazing woman she already is. But this is literally just the start too. Her research sounds phenomenal too."
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