Rihanna has officially crossed over, again. The multiplatinum singer performed at the 46th Annual Academy of Country Music Awards last night (April 3) at the Mandalay Bay Hotel & Casino in Las Vegas, alongside Sugarland's Jennifer Nettles.

The performance was one of a few duets of the evening, but Rihanna's performance was very well received by the crowd. The red-headed diva sang "California King Bed," a cut from her latest album, Loud.

Rih Rih, who is known for her revealing attire, scaled back a bit for the normally conservative country crowd by wearing a white dress that covered much of her assets. She also brought the short hair out of retirement for this appearance.