Rihanna has previewed and teased her sunglasses collaboration with Dior since the beginning of the summer and now the shades are finally available. They can be snagged at Dior's website or in stores. In an interview with Dior, Rihanna reveals that the glasses were inspired by La Forge from Star Trek. In an interview earlier this summer, Rih said that she was a huge fan of the series. Head to dior.com to scope the shades.