Cody Simpson -- All This Gigi Hadid PDA Is Messing Up My Hoops Mojo (TMZ TV)

Aussie singer Cody Simpson's smoking hot gf Gigi Hadid was up on him as they sat court side for a Knicks game -- and he was totally dialed in ... to the freakin' game!

Let's review: Gorgeous supermodel has her hands and mouth all over you -- but you focus on a game?!! We'd deport Cody immediately ... if we had the power.