The 6 Best Covers Of The 4 Non Blonde's Iconic "What's Up?"

When Linda Perry and her former band the 4 Non Blondes burst onto the scene in 1992 with their debut album Bigger, Better, Faster, More! their single "What's Up?" became an instantaneous hit.

The singer-songwriter has gone to write and produce major hits for the likes of Christina Aguilera, James Blunt, Pink and Gwen Stefani among others but "What's Up?" is stillthat song you can't help but sing along to when you're driving.

We've gone through and gathered some of the best covers of that hummable tune from famous singers like Adam Lambert to unknown bands to the totally unexpected, like actress Evan Rachel Wood.

Take a listen and let us know who you think gives the best Linda Perry! Make or Break: The Linda Perry Project premieres on July 16 at 9 PM ET/PT.