Former President Bill Clinton and Hillary Clinton dressed as country singers in 1995.
In 1993, the Clintons dressed up as James and Dolly Madison at a Halloween party hosted at the White House.
Al and Tipper gore dominated Halloween again during their annual party at the Naval Observatory in Washington, DC, in 1998.
They outdid themselves the next year. Al Gore attended his Halloween party as the Underdog, and Tipper Gore dressed as "Polly Purebred" in 1999.
next slide will load in 15 secondsSkip AdSkip AdGeorge W. Bush rocked an Al Gore mask during an appearance on former Tonight Show host Jay Leno's Halloween show on October 30, 2000.
New York City Mayor Bill de Blasio at Gracie Mansion in 2014 dressed in costumes "inspired by Greek mythology."
De Blasio dressed as a pirate during a costume parade on Coney Island in 2014.
Then-Sen. Chuck Hagel (R-Nebraska) dressed up as then-Sen. Joe Biden (D-Deleware) for a Senate hearing on Halloween in 2007. Hagel often dressed as his peers for Halloween.
Former White House Press Secretary Robert Gibbs dressed as Darth Vader during a White House reception in 2009.
next slide will load in 15 secondsSkip AdSkip AdGeorge W. Bush's top political strategist, Karl Rove, got involved in a camouflage Halloween group costume.
Former California Gov. Arnold Schwarzenegger and actress Jamie Lee Curtis in 2001, several months before he announced his bid for governor of California.
President Obama does not dress up for Halloween in public, though he is not opposed to carrying his own pumpkin. Here he was on October 31, 2008, in Chicago, right before he would win the election.
Then-Vice President Dick Cheney didn't dress up for Halloween in 2007. Instead, he made his dogs Jackson (L) and Dave (R) put on costumes instead.