It’s no surprise that the two have been planning on working with each other, however, no one saw this coming. Lady Gaga took to Twitter to unleash the original version of Kendrick‘s “Bitch Don’t Kill My Vibe,” which features Gaga’s vocals on the hook. “We feel bad about killing your vibe, so here’s the demo you never got to hear. And the chillun in Rio, and backstage in Colombia.” – Paul Blair