Usher is Justin's mentor and he's like a big brother of Justin.
- 2009: First Dance
- 2010: Somebody to Love (Remix)
- 2011: Happy Birthday (Remix)
- 2011: The Christmas Song (Chestnuts Roasting On An Open Fire)
- 2009: One Less Lonely Girl (writer)
- 2009: One Less Lonely Girl (French Vocal) (writer)
- 2009: First Dance (writer)
- 2012: I Want You (writer)
- Justin first met Usher in a car park.
- Justin once called Usher at 4:30am and screamed: "OMG, IT'S USHER!" then he hang up.