To be nominated for the Rising Star Award, artists can’t have achieved a top 20 album or more than one top 20 single by 31 October.
Four years ago during the coronavirus lockdown, Myles started posting covers online and went viral in 2022 with his acoustic version of The Neighbourhood’s Sweater Weather.
After being named BBC Introducing’s Artist of the Year, Myles told Newsbeat he finally felt “comfortable in my own skin”.
“What I think this year’s taught me is that expectations are there for comfort. But very rarely are they exactly what we imagine,” he said.
Since being named 2024’s Rising Star, The Last Dinner Party have gone on to sell out a tour and release their debut album, A Prelude to Ecstasy.
The Brit Awards will be broadcast live from the O2 in London on Saturday 1 March.