During some spirited driving recently, I heard half of my serpentine belt rip off and rattle around the engine bay.
Luckily half of it stayed intact so I was able to go pick up a new belt and get back home without it disintegrating completely.
I took pictures of the replacement procedure and created a quick guide. The total cost was about $40 for the new belt and I also replaced two tensioner/idler pulleys that didn't spin freely.
Here's the guide -