Following his breathtaking performance of Stay With Me on Letterman earlier in the week, Sam Smith has taken to US satellite radio station Sirius XM to unveil his incredible cover of Whitney Houston’s iconic How Will I Know.

Famed for his emotive ballads, Smith takes the upbeat 80s anthem and flips it on its head, bringing out some real tear-jerking moments; it really is a sight to see.

Catch the full cover below; Sam Smith’s debut album In The Lonely Hour is out now – hit the iTunes link to download: