Though Beyonce turned 31 on Sept. 4, the super private superstar only just shared her birthday party photos. How did she celebrate her 'B'Day?' Obviously, like a true Queen Bey.

Beyonce, baby Blue Ivy and hubby Jay-Z boarded a yacht for her big day and celebrated pretty quietly -- but lavishly. This is the Carter family!

We see Bey cutting her birthday cake (we love the icing message from Jay and Blue) and quite a few other culinary treats. She snapped a shot of what may be the most gorgeous strawberries ever as well as chicken that's a lot fancier than what most of us can dream of ever roasting ourselves. There's also a vintage bottle of fine wine that's likely worth more than our rent for the month. Must be nice!

Perhaps the gentlemen's favorite show? Beyonce in a bikini. She's makeup free and still completely flawless as she flaunts her generous decolletage, but remains demure and classy all the while. In another shot, likely when it was a bit cooler on that big boat, she rocks a sweater emblazoned with a "J." It's so cute that she pays tribute to her man through her wardrobe and even in her manicures.

We love that Beyonce's sharing her own photos with fans (the Bey Hive!) lately. She may be the best thing that ever happened to tumblr.

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Watch the Beyonce 'Countdown' Video