What's the song from the gossip girl sponsor advert?

the advert is for Idylle by Guerlain, the perfume. It sponsors Gossip Girl, the third series. Does anyone know what the song or artist is?|||Here you go /





http://www.dailymotion.com/video/xe4cih_鈥?/a>|||The song is "This Is A Love Song" by Lilly Wood %26amp; The Prick


link to youtube below :) hope this is useful