Diddy tops the listBack in 2007, Jay-Z, Diddy and 50 Cent released "I Get Money (The Forbes 1-2-3 Billionaire Remix)." The song was a celebration of the artists' inclusion atop the first-ever Forbes Hip-Hop Cash Kings list, now an annual package on the genre's top-earning artists.

It seems fitting that those same three artists find themselves in an even more exclusive group—the Forbes Five, a short list of hip-hop's wealthiest moguls. Indeed, the original trio boasts a combined net worth well over a billion dollars, rendering their lyrical prognostications accurate. They're joined by Dr. Dre, flush with cash from his Beats headphone line, and Cash Money Records cofounder Bryan "Birdman" Williams.

"One of my motivations in life is to be a billionaire," said Birdman in a telephone interview with FORBES. "We're going to keep working hard until we get our brand to be as big as possible. That's the goal in life, that's what I live for."

Tupac Shakur in hologram form [Photo: Kevin Winter/Getty Images for Coachella]

The hologram likeness of late rap superstar Tupac Shakur that wowed fans attending Dr. Dre and Snoop Dogg's Coachella Music Festival set Sunday night just may be joining the west coast veterans on tour, according to the Wall Street Journal.

"Representatives for Dr. Dre and Snoop Dogg plan to discuss logistics for a tour involving the two performers and the virtual Tupac, according to a person familiar with the discussions," the Wall Street Journal reported.

If this materializes, it could have the blessing of Tupac's mother, Afeni Shakur, who, according to TMZ, was "positively thrilled" with the hologram performance modeled after he son.

Frances Bean Cobain and mother Courtney Love [Photos: Steve Granitz/WireImage; Steve Lovekin/Getty Images]In the aftermath of erratic singer Courtney Love's latest Twitter rant claiming Foo Fighters/Nirvana musician Dave Grohl hit on her daughter, 19-year-old Frances Bean Cobain has cleared the air: Dave Grohl never hit on her!

Frances Bean Cobain told Us Weekly, "While I'm generally silent on the affairs of my biological mother, her recent tirade has taken a gross turn… I have never been approached by Dave Grohl in more than a platonic way. I'm in a monogamous relationship [with the Rambles' Isaiah Silva], and very happy."

Most poignantly, Cobain added, "Twitter should ban my mother."

Justin BieberJustin Bieber recently lent his song "Born To Be Somebody" to the new trailer for the documentary Bully, which casts a spotlight on America's bullying crisis. But that's not all he's lent to the cause. The 18-year-old megastar has revealed that he truly understands the issue--because he's gone through it himself.

"I was bullied," Bieber explained in an interview with Showbiz Tonight. "Most people in their lifetime have been bullied at some point. I think that it's about time that people start making a change."