"Every moment with you is a blessing, my best friend" Barack Obama celebrates wife Michelle Obama as she turns 57

Barack Obama took to Twitter to leave a short but sweet message for his wife Michelle Obama as she turns 57.

Michelle's birthday is every Jan 17. For her birthday this year, Barack shared a throwback photo of her.

He added in the caption: "Happy birthday to my love, my partner, and my best friend. Every moment with you is a blessing. Love you, Miche."