Alexander Armstrong stars in the Pimm's O'clock ads

Alexander Armstrong is said to have verbally accepted an offer to join cult quiz Countdown.

The 38-year-old comedian is best known for his Pimm’s adverts.

Alexander was delighted to be offered the job and can’t wait to get started,’ a source tells The Mirror.

‘He is a big fan of the show and want to make his mark on it. The hope is he will bring in a whole new audience to the much-loved show.’

Alexander replaces Des O'Connor, 76.

A replacement for Carol Vorderman has yet to be found.

Holly Arnold