So, they're in the studio. But are they singing the song she wrote? About a boy she used to know?Is the It Couple of Canada's alternative rock-pop world dropping clues that they will be reuniting soon? They already got us excited when they attended the a Grammy pre-party together last month.But really, jokes aside, the former spouses could very well just be pals, as Lavigne promised the two would remain the "best of friends" with they announced their separation. Though something tells us we have some new music to look forward to in any case.