Thomas Benjamin Grennan (born 8 June 1995) is an English singer and songwriter from Bedford, based in London.

He had his big break when he was featured on the Chase & Status 2016 single "All Goes Wrong" that was picked as "Hottest Record" on Annie Mac's Radio 1 show.

[9] The same year, he had a cameo appearance in Charli XCX's music video for her song "Boys", alongside many well-known artists and duetted with grime MC Bugzy Malone on "Memory Lane".

Evering Road was later released in March 2021, topping the UK Albums Chart in its opening week and later gaining a Gold certification.

[11] He subsequently achieved another top-ten hit with "Let's Go Home Together", a collaboration with Ella Henderson which was also certified Platinum in the UK.

[1] This was followed with "By Your Side", a collaboration with Scottish DJ Calvin Harris which earned Grennan his third consecutive UK top-ten single and Platinum certification.

In February 2022, Grennan received two Brit Awards nominations, including British Song of the Year for "Little Bit of Love" and Best Rock/Alternative Act.

He suffered a ruptured ear and torn ear-drum and postponed an upcoming show in Washington, D.C.[15] In July 2022, he released "All These Nights".

[17][18] Grennan released his third album What Ifs & Maybes in June 2023, which was supported by a UK arena tour that began in March 2023.