Rihanna has gone country! took center stage. The Pop singer teamed up with country music sensation Jennifer Nettles (from Sugarland) to perform her newest single “California King Bed” Sunday night (Apr 3) at the 2011 ACM Awards, which were held at the Mandalay Bay Events Center in Las Vegas.

Watch Rihanna and Jennifer Nettles’ performance (and check out the pics) below: