Beyoncé shares incredibly rare snap of her twins!

Since they were born, Beyoncé Knowles and her husband Jay Z have kept their twins, Rumi and Sir, completely out of the spotlight.

Well, we got ONE look at them after they were first born ... thanks to the pop star celebrating them turning one month old with a professional photoshoot.

Fast forward twelve months and we've finally had our second look at the twins!

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Now 13-months-old, Beyoncé has shared an incredibly rare snap of her youngest children.

Rumi can be seen giggling in the snap, while Sir looks a little more serious.

Fans were also quick to notice the 'Single Ladies' singer covered her stomach in the photograph, which has further fuelled the pregnancy rumours.