Watch as world number one performs her own version of 'Sound of Music' classic

She has just won the French Open and the overwhelming favourite for the upcoming Wimbledon no wonder Serena Williams is looking so relaxed and playful ahead of the tournament.

The 33-year-old took time off training to dance and sing with her friends.

In a dubmash video that has gone viral online, the Serena is seen performing The Sound of Music classic 'So Long, Farewell'.

Serena and her friends also shows off impressive syncronised dance moves.

She will be looking to win her sixth Wimbledon title when the grand slam starts.