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 the first day of 2021.
Sport
Happy New Year messages were unsurprisingly a big theme of the day.
— Cristiano Ronaldo (@Cristiano) December 31, 2020
Cricket
Stuart Broad had an announcement to make.
KP getting in the swing of things.
Football
Happy birthday to Jack Wilshere.
And Shane Duffy.
Abdoulaye Doucoure turned 28.
Thiago Silva was training hard.
Rugby Union
Where there’s a Will…
Darts
Michael Van Gerwen was getting ready to rumble, or was that just his stomach?
Another Gary Anderson match, another table issue!
Athletics
Usain Bolt was ‘Living The Dream’.
MMA
Conor McGregor relived one of his greatest knockouts.