Olly Murs popped in to Newsround HQ to have a chat with Jenny.
So we decided to find out a bit more about him with the help of a game of Best and Worst.
Find out where he stands on Emojis, Food and X Factor in our 'You don't know Olly' quiz.
Olly Murs' advice about bullying
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Olly Murs falls down stairs at concert
Olly Murs talks about bullying
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