For his last time in office, President Obama gave out the Presidential Medal of Freedom to 21 individuals on Tuesday, but not before the group participated in the "mannequin challenge."

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The challenge, in which people freeze what they're doing and pose as mannequins, has gained traction online where it has become a viral sensation participated in by police departments, businesses, celebrities and even Hillary ClintonHillary Diane Rodham ClintonOvernight Defense: Trump declares border emergency | .6B in military construction funds to be used for wall | Trump believes Obama would have started war with North Korea | Pentagon delivers aid for Venezuelan migrants Sarah Sanders says she was interviewed by Mueller's office Trump: I believe Obama would have gone to war with North Korea MORE's campaign.

This year, those honored with the award included: Tom Hanks, Robert De Niro, Robert Redford, Michael Jordan, Kareem Abdul-Jabbar, Bill and Melinda Gates, Bruce Springsteen, Diana Ross, Ellen DeGeneres and Vin Scully.

The Presidential Medal of Freedom is the nation’s highest civilian honor. This year it falls to 21 groundbreaking actors, musicians, athletes and others who have made significant contributions to their communities and the U.S.