Rihanna stepped out with some friends in Los Angeles on Thursday, and not only did she wear a casual outfit and hardly any makeup, but she skipped the shades and flashed us a quick smile. Loves it!

While she was a sweetheart with us, apparently Bad Gal RiRi is plotting revenge on fellow superstar Taylor Swift. Rumor has it RiRi didn't like Taylor's recent jab at BFF Katy Perry in “Bad Blood,” so the Bajan singer is reportedly planning on releasing a song that disses Taylor in a big way.

“Ri’s protective of Katy and bugged by Taylor’s growing good-girl clique,” an insider tells OK magazine. Rihanna will reportedly record a song about a “kiss and tell” woman and it will be an “aggressive club anthem with a video that’s just as brutal as ‘Bad Blood.'” What!

Not only is it "very obvious that it’s about Taylor," but Katy knows and she's fine with it. “She’s not worried…she knows Taylor’s intimidated by her," the source added. Um, tell us more!