The '90s gave us a ton of hits, from Top 40 pop songs like "I Want It That Way" by the Backstreet Boys to heavier industrial rock tunes like "Hurt" by Nine Inch Nails. Many of these songs were so good, we couldn't have imagined them taking any other form; that is, until we heard these covers. Ever wondered what "Heart-shaped Box" by Nirvana would sound like performed by a cinematic orchestra? How about how "...Baby One More Time" by Britney Spears would sound as a pop-punk jam? Below, we've pulled together a list of 25 of the coolest '90s covers we could find. Grab your flannels and your scrunchies, and let's get this listening party going.