WATCH: Twin babies playing peek-a-boo just melted the Internet

WATCH: A video of British twin babies playing peek-a-boo has become an instant online hit.

TORONTO – British twin babies have unwittingly become overnight sensations after a video of them playing peek-a-boo was released online.

Their father, Liverpool native and wedding photographer Andy Keher, caught the pair staying up late Sunday night. Before interrupting, he noticed the game and decided to record it on camera.

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“They are supposed to be asleepy-bobos!!” Keher wrote when he posted the video to Facebook.

When Keher awoke, the video had collected about one million views. Within moments, copies could be found on YouTube as the now-viral hit spread.

The original video has since been viewed on Facebook close to 3 million times – with more than 120,000 likes.