Whether she's dressed or half-naked, Rihanna definitely knows how to get people talking. The singer gave the best Christmas gift to her fans by posting a very steamy picture. In it, the "Needed Me" singer reveals her scantily clad body.Photographed kneeling, with her head thrown back onto her bed's white sheets, Rihanna is super sexy, as usual. As a good businesswoman, the singer is wearing very flattering panties from her Savage x Fenty brand.While nearly 3 million of her admirers were quick to like the raunchy picture, there's one person who definitely wasn't indifferent to her beautiful physique. Chris Brown, the 30-year-old star's ex, with whom she had a passionate relationship a few years ago, did not hesitate to drop two messages with emojis to express that he also loved this tasteful picture.