The two singers performed their own sets at the festival in Las Vegas on Friday, Sept. 20 Dua Lipa is more than “just a girl” to Gwen Stefani. The No Doubt frontwoman, 54, complimented the “Houdini” songstress,

In her caption, Stefani declared that Lipa isn't "Just a Girl," but instead called her the "prettiest girl in the world." "got to hang with the prettiest girl in the world last night love u dua ♡" she wrote under the post, while fans flocked to the comments to insist there were "two pretty girls" in the snaps.

Singer-songwriter Gwen Stefani shared a series of pictures with Grammy-winning singer Dua Lipa from an event on her social media handle. She has all the praises for the 'Houdini' singer and called her "prettiest girl in the world",