Whew, chile... NBA YoungBoy's birthday just got a whole lot shinier. His wifey, Jazlyn Mychelle, went all out and gifted the rapper a chain that's equal parts sentimental and straight-up flex. Fans got a close-up on social media, and it didn't take long for jaws to drop at all the head-turning details.RELATED: Reunited Or Just Business? Pluto & YK Niece Link Up For Performance At NBA YoungBoy's 'MASA' Tour (VIDEOS)Custom Jewelry Gift From YB's Wifey Hits HardNBA YoungBoy's birthday just got next-level sentimental, thanks to his wifey Jazlyn Mychelle coming through with a major flex.