There have been some big changes over at Def Jam. The label,

 

There have been some big changes over at Def Jam. The label, which is currently celebrating it’s 30 year anniversary, officially cut ties with Island earlier this year, to once again become just Def Jam

Record. Now, one of the labels biggest stars ever, Rihanna, who Jay Z signed to Def Jam in 2005, has reportedly made a big move of her own. Although some rumors were recently whispered around town, the “Diamonds” singer has quietly cut ties with Def Jam, and moved over to Roc Nation, as her label and management company.