Baby Shark, the infuriatingly catchy children's rhyme recorded by South Korean company Pinkfong, has become the most-watched video ever on YouTube. The song has now been played 7.04 billion times ...

It's not on the Radio 1 or 1Xtra playlists, but if you asked someone under 10 they'd probably say Baby Shark should be. And this week, the children's song joins the likes of Ariana Grande ...

This dynamic duo was bound to happen. Parents, brace yourselves. Baby Shark and Sesame Street have joined forces to bring their fans a holiday masterpiece and a special merchandise collection.