According to this interview with Paul, his glasses were designed by Mies van der Rohe. I can’t find anything online about the glasses, but they’re a lot like the frames that I love from Nasty Gal vintage.
Here is a photo from Aaron K photography where you can see his glasses in more detail.
Here are a couple of music videos from The Mint Chicks. I can highly recommend turning them up loud and dancing around your lounge.
I Don’t Want to Grow Old:
Crazy? Yes! Dumb? No!