He said it himself: "You don’t put stuff on your head if you’re president."
But President Barack Obama broke his own rule, as evidenced by this just-released photo from White House photographer Pete Souza.
Yes, that's the commander in chief in a tiara, courtesy of some Girl Scouts.
Still editing 2014 Year in Photos. I may include this one even though it's a posed photo. This is from the annual White House Science Fair. The kids from Girl Scout Troop 2612 in Tulsa, Oklahoma, convinced the President to wear a tiara with them for their group photo. The girls had exhibited a Lego flood proof bridge project.
A photo posted by Pete Souza (@petesouza) on