You will also be able to do so by text: to donate £10, text DONATE to 70410; to donate £20, text DONATE to 70420; or to donate £30, text DONATE to 70430.
Earlier in the day there will also be special Children in Need episodes of Bargain Hunt and The One Show on BBC1, at 12.15pm and 7pm respectively.
Beckett, the newest member of the team, said: “I am so excited to be presenting BBC Children in Need this year.
Children in Need 2018 airs on BBC1 on Friday 16 November.