Sports stars and clubs across the world continue to provide an insight into their lives on social media.
Here, the PA news agency looks at some of the best examples from December 15.
Tributes were paid to the retiring Sergio Aguero.
The former Manchester City striker was extremely grateful.
Roy Keane wished his “first wife” happy birthday!
Peter Crouch delved into the archives.
Ian Wright saluted Sir Lewis Hamilton.
Jimmy Anderson may have put his foot in it!
A cricket great met a tennis great.
Barry Hearn visited the Palace.
Usain Bolt has been inspiring Mr Men.