14/12/2009 15:27 GMT | Updated 22/05/2015 10:12 BST

'I'm Yours...', He Sings And We Believe Him!

It's one of the cutest things ever and an amazing performance too. Jason Mraz should be proud. Or intimidated...

Which song do you like more - the original by Jason Mraz or the ukulele version you've just seen?