Oliver Alexander Thornton is an English singer and actor. He rose to prominence as the lead singer of the pop band Years & Years who achieved two number one albums on the UK Albums Chart, a number one single and five top ten entries on the UK Singles Chart.
As of 2021, he continues to release music under the Years & Years name after it became a solo project. As an actor, he rose to critical acclaim for his performance as Ritchie Tozer in the Channel 4 drama series It's a Sin (2021). For his portrayal he was nominated for a British Academy Television Award for Best Actor and the Critics' Choice Television Award for Best Actor in a Limited Series or Movie Made for Television.
Alexander is set to represent the United Kingdom in the Eurovision Song Contest 2024 in Malmö, Sweden after being internally selected by the BBC.
