Spotify's Top 2015 Summer Songs: Who Made the List?

Billboard is set to unveil 2015's official Song of the Summer next week. We've been keeping up with the contenders on Billboard's Songs of the Summer chart, and you'll soon get to see what dominated the past three months the most.

In the meantime, Spotify has unveiled its top three worldwide streaming songs for this past summer.

The 100 Biggest Summer Songs of All Time: A Complete List

Number one is Major Lazer and DJ Snake's "Lean On," featuring MØ. Next up, it's OMI's "Cheerleader," and in third place, Wiz Khalifa's "See You Again," featuring Charlie Puth

Members of Billboard's staff will also soon explain their personal picks for Song of the Summer 2015. What's yours? Let us know in the comments.