Justin Bieber Unveils 'Purpose' Track List on Twitter

Justin Bieber
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Justin Bieber performs at 102.7 KIIS FM's 2015 Wango Tango at StubHub Center on May 9, 2015 in Los Angeles, Calif.  

Justin Bieber revealed the track list for his upcoming album Purpose on Twitter by showing off graffiti art of the titles from around the world.

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The first track is "Mark My Words," which was immortalized with a mural in Sydney, Australia. We now know the full guest list for the album: Big Sean, Travis Scott, Halsey, Diplo and Skrillex all join Bieber on the project.

See the full tweeted track list below: