Rihanna arrives at Nickelodeon's 23rd Annual Kids' Choice Awards in Los Angeles in this file photo. (AP Photo/Chris Pizzello, file)
The Grammy-winning pop singer has parted ways with manager Marc Jordan and is now being managed by Jay-Z's Roc Nation Management.
Rihanna told The Associated Press in a statement that she's "so excited to take this next step in my career."
The 22-year-old is also launching a new company called Rihanna Entertainment.
She says it will "merge all of her businesses, including music, film, fragrance fashion and book ventures."
Jay-Z signed Rihanna to Def Jam in 2005. She's released four albums and plans to release her fifth CD, "Loud," on November 16.
