Gwen Stefani and Eve on tour!

Gwen Stefani and Eve are going on tour together.

Gwen Stefani is reuniting with one of her best collaborators ever for what is sure to be an epic tour!

SO excited for the #ThisIsWhatTheTruthFeelsLikeTOUR w/ @therealeve!! 🙌 See dates & RSVP: https://t.co/lYtbjGWd7X pic.twitter.com/mZjn4UEfJS

— Gwen Stefani (@gwenstefani) April 18, 2016

The pair teamed up back in 2001 for the track Let Me Blow Ya Mind, and then later on the track Rich Girl. Fifteen years on, Gwen's decided to bring Eve along for her tour, which starts in the US in July.

Here's a refresher on why these women are BOMB af!