Carol Vorderman told fans she was going on a "2 day bender" after receiving "big news".
The former Countdown host, 61, revealed her daughter Katie, 31, had passed her PHD at Cambridge University, making her a qualified doctor.
Taking to Instagram proud mum Carol wrote: "Yesterday my girl Katie @katie.science passed her 'viva'....an interrogation of her PhD thesis by a panel of examiners.