Famous pop diva Lady Gaga has collaborated with the rapper Kendrick Lamar. They revealed that they are officially working on for his upcoming debut album. The Poker Face hitmaker has been vocal about her love for the hip-hop star recently, and they hung out together

at the Pitchfork Music Festival in Chicago, Illinois last month (Jul12). Announcing the news on Twitter.com on Wednesday (15Aug12), Gaga writes, "I am so excited to announce that a record I've been working on has now become collaboration with @KendrickLamar for His Album." Describing the inspiration behind ...