Promise. Zooming in on the photo (don't worry, we've done it for you) there's clearly a bottle of Kératase on the table as well as Bumble and Bumble's Prep Detangling Hair Primer. And ...

And now, thanks to Dua Lipa, we're also in-the-know when it comes to perfecting glass hair. Taking to her Instagram Story, the Houdini singer shared a behind-the-scenes dressing room snap with her ...