Gwen Stefani and Pharrell Williams have been collaborating for over a decade — you might recall their 2004 smash "Hollaback Girl," it was kind of B-A-N-A-N-A-S. But considering the bang up year Pharrell has had, and the fact that Stefani is releasing her first solo album since The Sweet Escape (2006), we've been waiting with bated breath to hear how they've evolved as a pair. As of today, Stefani has officially unveiled their track "Spark the Fire," produced by and featuring Pharrell, and it's every bit as high energy, saccharine, and sexy as we could've hoped. On top of that, Stefani has also released an eye-popping, cartoon music video fitting for the tongue-in-cheek track. Listen, below:
![Beyonce And Jay-Z "On The Run II" Tour - New Jersey](https://hips.hearstapps.com/hmg-prod.s3.amazonaws.com/images/gettyimages-1010060898.jpg?crop=1.00xw:0.670xh;0,0.0794xh&resize=480:* "Beyonce And Jay-Z "On The Run II" Tour - New Jersey")
