Tina Turner and Beyonce were rolling, rolling, rolling on a river Sunday night with their duet rendition of "Proud Mary" at the 50th annual Grammys. Between Beyonce's sequin-studded dress and Tina's silver capris, the two were literally sparkling. But how did you like the performance? Can Tina still rock? And did Beyonce hold up her end of the bargain? Check out the video and then let me know your take.