states in 2014
Check out who has rocked out at the Super Bowl during halftime performances.
With Bruno Mars set to star in Sunday's Super Bowl halftime show, take a look back at some of the other performers who have entertained fans at the big game.
It seems that residents of Louisiana are some of the happiest people in the country, and New Yorkers remain some of the unhappiest, according to a new report. Take a look at the happiest - and unhappiest - U.S. cities.