Selena Gomez appeared in her new music video “Boyfriend” wearing a Cushnie Sequined Silk-Chiffon Midi Dress ($1,895.00) with a vintage Chanel Crystal Snake Pendant Necklace ($245.00). You can find similar dresses for less at Boohoo ($20.00), NordstromRack ($36.97) and Revolve ($68.00).