Teen Mom’s Catelynn Lowell Hangs Out With a Jersey Shore Cast Member! Who Is He? (PHOTO)

There was quite a Teen Mom/Jersey Shore crossover last night! Catelynn Lowell and Pauly D hung out during the benefit, and she tweeted this awesome pic of them together.

Cate captioned the pic, “Seriously soooo nice!!! Thank u twitter fan!! Pauly D in the house!!!”

Aww! They look adorable. And we hate to admit it, but Pauly’s sky-high ‘do even rivals Catelynn’s cute hairstyle!

Did you know it was Pauly D? Tell us below, and then click here to play more “Guess Who?”