Rihanna happily went from the star to a supporting role as she took on bridesmaids’ duties this weekend at the wedding of one of her best friends. The Fenty Beauty mogul was on hand to celebrate the nuptials of longtime friend Sonita Alexander, who said “I do” on Saturday in her native Barbados. On her Instagram story, Rihanna used the hashtag #walkingintoforever and showed off their matching bridesmaid and bride robes. In another story, Rihanna and the bride share a moment to together. Video also showed the Bajan beauty clad in her royal blue bridesmaid dress as she watched Alexander walk down the aisle. According to Loop News Barbados, Rihanna and Alexander attended The Combermere School in Barbados together. Rihanna is rumored to currently filming a movie in Cuba with Donald Glover. A photo of the duo popped up on social media earlier this week, leaving many to speculate at what they might be working on.