Beyonce and actor <a gi-track='captionPersonalityLinkClicked' href=/galleries/search?phrase=Chris+Rock&family=editorial&specificpeople=202982 ng-click='$event.stopPropagation()'>Chris Rock</a> attend the after party following the premiere of the HBO Documentary Film 'Beyonce: Life Is But A Dream' at Christie's on February 12, 2013 in New York City.