It's probably the worst feeling in the world, when you're deeply and madly in love with a woman and you know she's not feeling you the same way, and you don't know why.

Mars also announced that the lead single would be called "Locked Out of Heaven" which was released on October 1 2012. That's what makes it cross over so well. However Mars' experience with Motown proved to be beneficial to his career when he met songwriter and producer Philip Lawrence who was also signed to the label.

Anchored by the worldwide number-one singles "Just the Way You Are" and "Grenade" the album peaked at number three on the Billboard 200. Mars won Best International Male Solo Artist at the 2012 BRIT Awards. He has worked with an assortment of artists from various genres.