Taylor Swift f/ Ed Sheeran - "Everything Has Changed"
Everything Has Changed is a song recorded by American country singer-songwriter Taylor Swift, taken from her fourth studio album Red that was released on digital retailers on October 22, 2012 via Big Machine Records. It has the collaboration of English singer-songwriter Ed Sheeran who co-write the track with Swift. The track was produced by Butch Walker. Its confirmed as the fifth official single from the album and according Music Week website, its planned to release in UK on June 24.
I'm still looking for that Music Week new's link, but the Ultimate Music blog was right about JGMAR, True Love, All Around The World, Right Here and a lot of recently single choices, so I think that they're quite reliable.