• Miranda Cosgrove

  • Kevin Rudolph

    Co-Wrote, featured

  • B.o.B

    Co-Wrote, featured

  • Adam Lambert

    Co-Wrote

  • Sugar Ray

    Co-Wrote, featured

  • Lil Wayne

    Featuring Lil Wayne

  • Katy Perry

    They haven’t released anything yet… (They announced this in 2009). I’m still waiting!

  • Leighton Meester and Nat Wolff

    They performed with him live in NYC.

  • Also: He was in a commercial with Taylor Swift, Pete Wentz, and Travis Barker