Is there any outfit more perfect for a Barbie premiere than one involving butterflies, rainbows, and chainmail?

Dua Lipa included that trifecta in her dazzling look for the European premiere of Greta Gerwig’s forthcoming film, which officially drops in theaters on July 21. For the latest pink-carpet event, the singer—who makes a cameo in the movie as a mermaid Barbie—pulled a dress from “La Vacanza,” the Versace collection she recently co-designed with Donatella Versace.