The 33-year-old singer is going to be clad in the designer's clothing when he begins the second half of his tour, which kicks off in Abu Dhabi this Friday (30.05.14).
The fashion star has also created sophisticated pieces for his backing band and dancers.
Neil told WWD: "I've always admired Justin as an artist and for his style. Not to mention his charisma is contagious.
"Justin's approach to fashion is very much in sync with the design ethos of the brand. He is a true pleasure to work with."
Justin has previously worked with Neil for the 2013 MTV Video Music Awards and his 'Legend of Summer Tour' with Jay Z, as well as a few of his music videos.
Designer Tom Ford also contributed to the singer's tour wardrobe and has made 600 pieces for the 'Suit and Tie' hitmaker.
Tom previously commented: "Justin has great personal style and knows what he wants which makes designing for him an absolute pleasure. He is a tremendous talent and has a kind of effortless cool that makes classic menswear tailoring modern."
The collection includes eight custom choices for Justin as well as outfits for the tour's band members, vocalists and dancers.