Inauguration Photos: Behind-The-Scenes Snap Shows The Obamas Laughing It Up

02/20/2013 12:55 pm ET | Updated Feb 20, 2013

Before the masses got to see Barack and Michelle Obama in the celebratory inauguration parade nearly one month ago today, White House photographer Pete Souza did, capturing the first couple in a moment of seemingly off-the-cuff glee.

We know the Obamas are good for an inside joke, as documented in another one of Souza's inauguration weekend snaps. But this photo, featured on the White House's Facebook feed Tuesday, has us wondering still -- what's all the laughing about?

Tell us what you think by sharing your best caption for this photo in the comments section below.

inauguration photos
President Barack Obama and First Lady Michelle Obama ride in the inaugural parade in Washington, D.C., Jan. 21, 2013. (Official White House Photo by Pete Souza)

Related on HuffPost:

Barack and Michelle's Intimate Moments