Watch Kesha, Niall Horan, Sam Smith & Friends Join In On "If The World Was Ending"

"This video for "If The World Was Ending" supports Doctors Without Borders, and has some incredible star power! Here are their friends in the video, in order of appearance:  Artists In order of appearance: H.E.R.Niall HoranKeith UrbanFinneasAlessia CaraJason DeruloKeshaZara LarssonKelsea BalleriniSam SmithThe RoseAnthony RamosPink Sweat$Jordan DavisSasha SloanAnne MarieNoah CyrusLindsey StirlingFletcherSabrina CarpenterEvaluna MontanerCamiloSam Nelson Harris (X Ambassadors) MaetaMau y RickyFlorida Georgia LineJulia Michaels JP Saxe

Find out how you can help at doctorswithoutborders.org