Nick Cannon seems to be in for a treat today on his 34th birthday with wife Mariah Carey tweeting this sexy shot of herself busting out of a bra with the message “Happy Birthday to my Hubby @NickCannon…”my baby I’m waiting on youuuu”hahaha! KKLB! GHL!!!! Mwah !!!!!’ While what GHL stands for remains a mystery, it seems that KKLB refers to Ok Ok Lover Boy and is an insider joke between the two.