Kanye, Zuckerberg sing Backstreet Boys during karaoke session
American rapper Kanye West on Wednesday took to Twitter to share a photo of himself and Facebook's billionaire CEO Mark Zuckerberg doing karaoke together. "We sang Backstreet Boys I Want It That Way," the 41-year-old captioned the tweet. Despite the rapper sharing the picture, many fans responded to the tweet demanding video evidence of the duo singing.