Jason Mraz  proposed to his girlfriend, singer-songwriter Tristan Prettyman, on Christmas Eve. After the proposal, he tweeted, "SHE SAID YES."

Tristin added her own tweet later, "Still pinching myself . . . Holy crap. In other news we are camping and it's awesome. Christmas at the beach in the van! Yeayyaaaa!"

Here's a picture from the campsite from Jason.

The couple previously dated and were engaged in 2006 before splitting but they got back together earlier this year.