Weekly Music News: Def Jam's decision to keep the world in the dark regarding singer Rihanna's single "Russian Roulette" may have back fired; an explanation about this in a minute.

Superstar 50 Cent has stepped up his hip-hop rivalry with Rick Ross - by posting a pornographic video allegedly featuring the Hustlin' rapper's ex-girlfriend online.

Happy Birthday to G-Unit rapper Young Buck (1981), "Desperate Housewives" star Eva Longoria (1975), Sugar Ray singer Mark McGrath (1968), Poison singer Bret Michaels (1963), singer Terence Trent D'Arby (1962),

Rick Ross has challenged rap rival 50 Cent to go back into the studio and record a new lyrical attack - because his musical response to the Hustlin' star's latest insult is "garbage".

Rapper 50 Cent ensured Jim Carrey's 47th birthday was an event to remember by inviting him to join his G-Unit entourage onstage during a live performance.

50 Cent exploded onto the music scene with his blockbuster debut Get Rich Or Die Tryin'. Now he's set to deliver his fourth major label album, Before I Self Destruct (Shady/Aftermath/Interscope), on December 9, 2008.

50 Cent (aka Curtis Jackson) was the top earning rapper in 2007, earning an astonishing $150 million, according to Forbes magazine. He parlayed a stake in Vitamin Water to a 9-figure payout and he continues to be the single savviest businessman

Rapper Lloyd Banks has sparked reports he will be the next member to leave 50 Cent's G-Unit amid rising concerns over the record label's bosses.

50 Cent's G-Unit sidekick Tony Yayo is begging his mother to move out of "the hood" after thugs riddled her home with bullets. The rapper insists the home was just a random target and his mother doesn't have a price on her head -

Rapper Lil Wayne has reclaimed the album chart crown in America after ending Coldplay's two-week reign at the top. Coldplay's Viva La Vida or Death and All His Friends toppled the rap star's Tha Carter III