Sam Smith's biggest achievements (01 of18)
Open Image ModalTaking home three Brit Awards for Critics Choice in 2014 and British Breakthrough Act and Global Success in 2015. (credit:David M. Benett via Getty Images)
Sam Smith's biggest achievements (02 of18)
Open Image ModalWon four Grammys in 2015 including Best New Artist, "Stay with Me" for Record of the Year and Song of the Year, and In the Lonely Hour for Best Pop Vocal Album. (credit:Jason LaVeris via Getty Images)
Sam Smith's biggest achievements (03 of18)
Open Image ModalTopped the 2014 BBC Sound Of poll, beating off competition from Ella Eyre and George Ezra. (credit:Michael Tran via Getty Images)
Sam Smith's biggest achievements (04 of18)
Open Image ModalPerformed a duet of ‘Stay With Me’ with Mary J. Blige. (credit:Kevin Winter via Getty Images)
Sam Smith's biggest achievements (05 of18)
Open Image ModalRecorded a version of ‘Lay Me Down’ with John Legend, which went on to top the charts. (credit:Comic Relief/AP)
Sam Smith's biggest achievements (06 of18)
Open Image ModalAmassed an army of celebrity fans including Beyonce, Kim Kardashian, Lady Gaga and Miley Cyrus. (credit:Instagram)
Sam Smith's biggest achievements (07 of18)
Open Image ModalSold out New York’s Madison Square Garden. (credit:Rob Loud via Getty Images)
Sam Smith's biggest achievements (08 of18)
Open Image ModalTransformed his relationship with food to become just four pounds away from his goal weight. (credit:Instagram)
Sam Smith's biggest achievements (09 of18)
Open Image ModalScored the fastest selling album of 2014. (credit:David M. Benett via Getty Images)
Sam Smith's biggest achievements (10 of18)
Open Image ModalBecame the only artist to sell 1 million albums in UK and US in 2014. (credit:SAV via Getty Images)
Sam Smith's biggest achievements (11 of18)
Open Image ModalGained 2.85 million followers on Twitter and 3.8 million Instagram fans. (credit:Simon James via Getty Images)
Sam Smith's biggest achievements (12 of18)
Open Image ModalSet a US sales record after debut album, ‘In the Lonely Hour’, the most sold in the first week by a UK male artist's debut album, shifting 166,000 copies. (credit:Gareth Cattermole via Getty Images)
Sam Smith's biggest achievements (13 of18)
Open Image ModalReceived the honour of being invited to perform at the Grammys. (credit:Jon Kopaloff via Getty Images)
Sam Smith's biggest achievements (14 of18)
Open Image ModalHis album ‘In The Lonely Hour’ became the second best-selling on 2014, just behind Ed Sheeran’s ‘X’. (credit:Christopher Polk via Getty Images)
Sam Smith's biggest achievements (15 of18)
Open Image ModalPerformed on a sell-out tour in spring 2014, before announcing a world arena tour for this year. (credit:Sven Hoppe/DPA)
Sam Smith's biggest achievements (16 of18)
Open Image ModalPicked up two Ivor Novello nominations. (credit:Yui Mok/PA Wire)
Sam Smith's biggest achievements (17 of18)
Open Image ModalWon three Billboard Music Awards for Top New Artist, Top Male Artist and Top Radio Songs Artist in 2015. (credit:Lionel Hahn/ABACA USA)
Sam Smith's biggest achievements (18 of18)
Open Image ModalGot into his first Twitter spat after wading into the Louis Tomlinson/Naughty Boy row. (credit:Daniel DeSlover/Zuma Press)