Beyoncé is no stranger to celebrity endorsement, but her latest unexpected marketing trick goes outside the box. This weekend, the powerhouse artist teased a new 50 Shades of Grey trailer by posting a 15-second clip of it on her Instagram with a “darker remix” of her “Crazy in Love” playing as a soundtrack. The teaser was posted with the hashtag #fiftyshades, attracting the attention of both the singer’s fans and the book series’ avid fandom. (MTV)
