Kicking off her weekend a bit early, Rihanna was spotted out on a dinner date in Santa Monica last night (October 14). Joined by her baseball-playing beau Matt Kemp, the “Russian Roulette” songstress looked fabulous as she made her exit from Giorgio Baldi restaurant. In career news, it turns out that rumors of Rihanna doing a duet with Lady GaGa are entirely untrue, though it would be cool to hear a collaboration in the future. Meanwhile, Ri-Ri’s new video for “Only Girl (In the World)” has garnered an overwhelmingly positive reaction from her fans and the press, though that’s no...