Rihanna's coming to your rescue. The singer announced on social media Tuesday (July 14) that Fenty Skin is coming super soon -- as in, the end of the month."Ima try my best to be humble about this but, @fentyskin is coming July 31 exclusively at FENTYSKIN.COM!!" Rihanna shared on both Instagram and Twitter.The Barbadian singer didn't reveal what products would be in the new line, but the video accompanying her announcement offered a few hints.