[7] She has described how she would work as a retail assistant by day, and record online videos in the fitting room after the shop had closed.

[10] Welby hosted the Revolution cycling show series for Channel 4, alongside co-worker from 5 News, newscaster Matt Barbet.

Previously she has presented cycling shows for BT Sport, Eurosport and ITV4 and is the female face of Electronic Arts.

In 2016, she was shortlisted by the Radio Times in a poll to be named Great Britain's greatest ever weather presenter.

[13] Welby became a presenter for the online quiz game, HQ Trivia in the UK, making her first appearance on Monday 9 July 2018.

[14] In February 2019, Welby became the presenter for another online quiz game called Heart's Triple Play, broadcast exclusively on Facebook Watch.

Having received a record 79% of the viewer vote, Welby took part in Slime and Punishment, and was covered in 20 buckets of multi-coloured gunge [citation needed].

[19] On 20 March 2020, it was announced that Welby would join Capital Breakfast with Roman Kemp and co-hosted by Sonny Jay as a replacement for Vick Hope who left on 21 February 2020.

Welby will remain with the Capital Breakfast Show following Kemp & Jay's departure and replaced by Jordan North and Chris Stark in April 2024.

Welby is an active supporter of several charities including the Sick Children's Trust[31] and Leonard Cheshire Disability Centre.