Image Source: Roger Kisby/Getty Images Blackpink is coming back better and pinker than ever. To celebrate the sixth anniversary of their debut, the massively successful K-pop girl group just teased their new single “Pink Venom” on Instagram. The single will drop at 1 p.m. KST on August 19, ahead of their second studio album, “BORN PINK.” Back in early July, the group – consisting of members Jisoo, Jennie, Rosé, and Lisa – confirmed that they were, indeed, preparing to drop new music, but fans had no idea their sophomore album was on its way so soon. On July 31, “BORN PINK” was made official . . .