It appears Cara Delevingne and St. Vincent may be taking the next step in their relationship. The 23-year-old has been sporting a massive rock on her ring finger during her press tour for ?Suicide Squad? and when co-star Jared Leto shared an Instagram pic of the model-turned-actor on Tuesday inadvertently flashing her ring, the rumors began to swirl. Vincent, a fortune cookie in the foreground reading ?Follow your heart and you will find happiness.? Similarly, the musician has kept her relationship with the actress very quiet.