They've walked the Grammys red carpet, sat through a bum-numbing ceremony and might have even won an award or two, so you can't blame the stars for wanting to let their hair down at the Grammy Awards after show parties.
So who was cracking open the Cristal - and who was drowning their sorrows? Take a peek at our gallery below as the stars go off duty...
Grammy's After Show Parties
MORE GRAMMYS 2013: