Billboard Staff Reveals Their #7FavSongs -- What Are Yours?

John Lamparski/WireImage
Ariana Grande visits Planet Hollywood Times Square on Dec. 22, 2011 in New York City.  

A new hashtag has social media aflutter with people giving their favorite, well, anything of all time. People are busy listing their #7FavMovies and #7FavTVShows, and now Billboard wants you to tweet your seven favorite songs of all time using the hashtag #7FavSongs

To get the ball rolling, Billboard staffers took to Twitter to share their top seven picks. Check them out below!