Roommates, the internet is going WILD over Tank's latest gym selfie. The R&B King hopped online flexing his gains, and now the ladies are saying he's serving zaddy energy. Let's get into it!RELATED: Studio Tea? Tank Speaks Out On Recent Aaliyah Collab, Claims It Was Released Behind His Back (VIDEO)Tank Flexes His Gains In Shirtless Gym SelfieChile, Tank has the internet cuttin' UP with reactions after he dropped a shirtless gym selfie. The 'When We' singer had fans saying, "49 years old where?" as he flexed his muscles and showed off his toned six-pack in some mirror pics.