London 2012 medallists Natasha Baker and Louis Smith have updated their Twitter profiles with their new titles.
They were formally presented with their honours by the Queen earlier today.
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Rob Young has run more than a marathon a day for the last 12 months.
The hospital where the Duchess of Cambridge is due to give birth has had a superbug outbreak.
The London Marathon brings together thousands of people raising money for charity - not to mention some rather unusual costumes.