SPOTTED! Arsenal stars and other celebrities at ATP World Tour Finals

Eight of the world’s top tennis players assembled in London for the last week of the season. The Barclays ATP World Tour Finals was a ‘test of endurance, mental and physical’.

But apart from the tennis stars there were celebrities from all walks of life in London.

Take a look at the top celebrities who were spotted watching the action at the 02 Arena in London:

US actress Olivia Munn was seen with a friend as they watch Novak Djokovic of Serbia take on Stanislas Wawrinka of Switzerland at O2 Arena in London.

Singer Eliza Doolittle attended the men's singles final match between Rafael Nadal of Spain and Novak Djokovic of Serbia during day eight of the Barclays ATP World Tour Finals at O2 Arena in London, England.

Tennis seemed to be a popular sport among Arsenal players.

Mikel Arteta (right) of Arsenal watched the men's singles final match between Rafael Nadal of Spain and Novak Djokovic of Serbia.

Jack Wilshire of Arsenal was also present for the Finals and was caught on candid camera.

Lukas Podolski (left) and Per Mertesacker of Arsenal watched the men's singles match between Rafael Nadal of Spain and Tomas Berdych of the Czech Republic.

The Chelsea stars were also spotted at the Finals.

Juan Mata watched the semi-final match between Rafael Nadal of Spain and Roger Federer of Switzerland during day seven of the Barclays ATP World Tour Finals at O2 Arena in London, England.

Spaniard Mata was cheering on fellow countryman Nadal.

David Luiz of Chelsea also watched the men's singles semi-final match between Novak Djokovic of Serbia and Stanislas Wawrinka of Switzerland.

Mollie King of The Saturdays and model David Gandy watched the men's singles final match between Rafael Nadal of Spain and Novak Djokovic of Serbia.