After reading Law and Theology at Sidney Sussex College, Cambridge, she studied for a postgraduate degree in Broadcast Journalism at City, University of London.
Alongside Lizzie Greenwood-Hughes, Thalia Pellegrini and Adam Fleming, Horne was part of the bulletin team and the main reporter.
Initially, Horne also presented spin-off programme, Newsround Showbiz until its axe in 2005 due to poor ratings.
[6] It was announced in 2012 that the BBC News Channel's business bulletins would be axed as part of the Delivering Quality First scheme.
Horne joined BBC Radio 2 in March 2018, replacing Lynn Bowles as the new regular weekday mornings travel news reporter.
Horne took on an expanded role on the new Virgin Radio breakfast show including becoming the programme's newsreader.