Dua Lipa surprised everyone as she called Gwen Stefani to join her on stage during the Radical Optimism Tour. Stefani shared a behind-the-scenes moment on her Instagram, capturing herself going up on stage to perform a duet with Lipa.

Gwen Stefani is singing Dua Lipa’s praises after the pop stars treated fans to an unforgettable live duet.Impressed by the Levitating hitmaker’s star power, the No Doubt frontwoman

Gwen Stefani and Dua Lipa coordinated their style sets as they took the stage together during the Radical Optimism tour for a powerful duet of "Don't Speak" – see pictures.

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