President Barack Obama, British Prime Minister David Cameron and Danish Prime Minister Helle Thorning-Schmidt were spotted snapping a "selfie" together at Tuesday's memorial service for former South African President Nelson Mandela in Johannesburg.

President Obama took a selfie at Mandela's memorial http://t.co/we1W3HjRO9 pic.twitter.com/l043lRoifN

— The Wire (@TheWire) December 10, 2013

It's unclear whose phone they were using -- we know Obama doesn't have an iPhone.

First lady Michelle Obama, sitting next to the group, did not participate.

The image quickly made its way onto the Tumblr blog "Selfies at Funerals" (yes, that's a thing).

U.K. newspaper The Independent wondered whether the trio would one day look back on the shot and think, "what on earth were we doing? We're world leaders, not a bunch of giggling teenagers. We're attending the memorial service of Nelson Mandela. Couldn't we have waited a bit before goofing around?"

As TheBlaze Blog pointed out, it's not the only attention Obama and Thorning-Schmidt garnered at Tuesday's service -- witness these photos of the two leaders with a none-too-pleased-looking Michelle Obama:

This Obama - Danish PM thing has quickly become a real-time soap opera: pic.twitter.com/bHExijwgeG

— Karl Sharro (@KarlreMarks) December 10, 2013

(H/T: USA Today)

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