This week Rihanna posted a selfie in a voluminous blue dress that was stunning, but we couldn’t help notice the resemblance to another major star: Cookie Monster! But that’s not the only time we’ve caught her in a case of double vision. In fact, Rihanna has had many standout fashion moments that draw comparisons to characters including Big Bird and Sleeping Beauty. Scroll down to see 7 RiRi twinning moments.