Simon Cowell's GF Clay Aiken's Breast Friend

Years before hooking up with Simon Cowell, "American Idol" makeup artist Mezhgan Hussainy was in the clutches of another "A.I." dude ... Clay Aiken.

Simon Cowell's GF -- Clay Aiken's Breast Friend

This pic of Aiken groping Simon's alleged fiancee's breasts dates back over six years ago.

Not that there's anything wrong with that ...