For a brief moment in the film Knocked Up, Paul Rudd (Pete) wears a Tom Waits shirt. On this t-shirt is the artwork from Tom Waits 1985...$20.56 @ redbubble →
Ok, you can’t see it in the image above (and I don’t think you can at all throughout Knocked Up), but in the film Seth...$24.99 @ busted tees →
In Knocked Up Ben (Seth Rogen) wears a Rob Zombie t-shirt I couldn’t find. On the shirt you can see the cover of Rob Zombie’s...
While playing Ben in Knocked up, Seth Rogen wears an Amsterdam t-shirt. I think it is pretty safe to say that his character’s main...$23.21 @ redbubble →