Carol Vorderman and her lookalike daughter Katie appeared on The One Show yesterday, in a rare TV appearance.

Carol Vorderman

The two women hosted a segement of the programme together – their very first time on TV as a pair – to meet with scientists who worked on Apollo 11 at the legendary NASA headquarters.

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It was an exciting day for both the former Countdown star and her daughter Katie, 28, who is research scientist herself training at Cambridge University. Carol has also had a lifelong interest in space.

Carol Vorderman

Of their first TV appearance together, Carol shared her excitment, saying, ‘Our countdown to the first time my girl Katie and I are on the telly together…..@BBCTheOneShow…..Tonight and tomorrow….Been filming at @NASA xxx 😘 😘 #STEM #SPACEGEEKS 🚀🚀🚀’.

She also shared another Tweet, revealing how special the moment was to film for Katie.

Carol wrote, ‘She loves her science….my daughter Katie….research scientist finishing her PH.D. in Nanotechnology at ⁦@Cambridge_Uni⁩…watch us tonight on ⁦@BBCTheOneShow⁩…co-hosting for the first time ever’.

Viewers loved the pair’s segment on the show, with one cheeky viewer even asking Carol online if he could have Katie’s number!

He asked, ‘Carol, I had to get a new phone and lost Katie’s number. Could you DM that to me please? Ta, a chancer.’ And luckily, she found the funny side, replying with the word ‘Lol’ and a crying face emoji.

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Some fans of the show also confessed that Carol and Katie’s segment made for an emotional watch.

One wrote, ‘I had a lump in my throat watching your interviews. They are such heroes. One and all. X’, as another said, ‘That’s just amazing… an true inspiration to so many parents out there. Great stuff Carol ☺️’.

Carol Vorderman, Carol Vorderman daughter

Others were left amazed by Carol Vorderman and her eldest daughter’s likeness, with one claiming they couldn’t believe the difference in age. He wrote, ‘Daughter? More like sisters in their 20’s!!! @carolvorders’.

Katie is the eldest of Carol’s children – she also has a younger son, Cameron, who is 22.