The Chainsmokers took down the f*cking house at the LA convention centre last weekend. It was one of the biggest shows they have ever done and they had quite a few surprises in mind.

The first surprise of the night was that they brought out The Backstreet Boys!

The band have been in exile for a long time now, kudos to The Chainsmokers for bringing them out. Rest assured, the crowd went wild.

Another special package that they unwrapped was bringing out Big Sean on stage. Check it out below.