"the hills" christmas episode - help!

The scene where LC/Jason and Heidi and boyfriend are walking at night by the fountain and it is snowing - there is a song playing - who sings it? I don't know the words, it starts off like "walking on a moon beam, living in a daydream" something something.. it's slow. Anyone know?

i need to kno the song and its when lauren is going to get her hair done and its something like "cuz my baby keeps it real"