AceShowbiz -

Having two weeks left before his "Purpose" finally hits the stores, Justin Bieber has unveiled the album's official tracklist. On Wednesday, October 28, he shared the titles of all songs off the project via photos of graffiti on his Twitter and Instagram.

The titles are spray-painted by different graffiti artists on the walls in various cities all around the world like Paris, Stockholm, Berlin and London. Bieber revealed a total of 18 songs including the previously-released "What Do You Mean?", "Sorry" and "Where Are U Now".

Track 3 #purposealbum pic.twitter.com/B829nXYYai

— Justin Bieber (@justinbieber) October 28, 2015

Track 4 #purposealbum pic.twitter.com/YdVaYiw88X

— Justin Bieber (@justinbieber) October 28, 2015

Track 11 #purposealbum @diplo @Skrillex pic.twitter.com/NCV81kkvpb

— Justin Bieber (@justinbieber) October 28, 2015

Among other tracks expected to appear on the upcoming album are "No Pressure" with Big Sean, a collaboration with Travis Scott (II) called "No Sense", "The Feelings" featuring Halsey and Nas-assisted "We Are".

Track 7 #purposealbum @BigSean pic.twitter.com/5XuO7efktQ

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— Justin Bieber (@justinbieber) October 28, 2015

Track 16 #purposealbum @nas pic.twitter.com/z051Ggum5S

— Justin Bieber (@justinbieber) October 28, 2015

In addition to these names, Bieber has confirmed that he's worked with Kanye West on the LP. Charlie Puth, meanwhile, hinted in his own tweet that he might be involved in the song "Company".

Track 6 #purposealbum pic.twitter.com/lFJHfpmkUR

— Justin Bieber (@justinbieber) October 28, 2015

Company by Justin Bieber...just wait for it everyone. Insane.

— Charlie Puth (@charlieputh) October 28, 2015

"Purpose" is due out on November 13. Its lead single "What Do You Mean?" recently became Bieber's first hit to top Billboard Hot 100. Its follow-up "Sorry" was released last week.

1. "Mark My Words"
2. "I'll Show You"
3. "What Do You Mean?"
4. "Sorry"
5. "Love Yourself"
6. "Company"
7. "No Pressure" (Feat. Big Sean)
8. "No Sense" (Feat. Travis Scott (II))
9. "The Feelings" (Feat. Halsey)
10. "Life Is Worth Living"
11. "Where Are U Now" (Feat. Skrillex & Diplo)
12. "Children" (Feat. Skrillex)
13. "Purpose"
14. "Been You"
15. "Get Used to Me"
16. "We Are" (Feat. Nas)
17. "Trust"
18. "All in It"
19. "What Do You Mean? (Remix)" (Feat. Ariana Grande)