(Photo: Michelle Obama via Instagram)

Barack Obama celebrated his 52nd birthday on Sunday and his wife, Michelle Obama, marked the occasion by sharing an old black-and-white photo of the couple on her Instagram account. In it, the young pair sit closely together on a couch with Michelle leaning into Barack while his arm wraps around her and rests on her lap.

"Happy birthday, Barack! Your hair's a little grayer, but I love you more than ever," she wrote and signed off with her initials "mo," meaning it was written directly by FLOTUS.

The photo has since received more than 60,000 likes and nearly 2,000 comments from other well wishers praising the image.

For more adorable throwback pictures of the first family, including one of Barack and Michelle carrying their young daughters, Sasha and Malia, visit FLOTUS's Instagram account @michelleobama.
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