Season 4 Episode 6 song

What is the song playing after The White Tie Affair's performance online version... it's a girl singing like in a band... i didn't really figure out the lyrics.

thanks a lot!

ummmm does anyone know the song at the end of episode 6
where holly and heidi are talking over like lunch or something

iit woulldd be a greaatt heellppp
pleease & thaaaanks .