10 / 31

Jennifer Lopez, Nicole Kidman, Keith Urban

LOS ANGELES, CA - FEBRUARY 10: Casper Smart, Jennifer Lopez, Nicole Kidman and Keith Urban attend the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California. (Photo by Kevin Mazur/WireImage)

Famous Friends Mingle at the Grammys

A host of celebrity pals party together at the 2013 Grammys.