Drake spotted on Center Court watching Serena Williams in action against Maria Sharapova on Thursday

Drake Graham looking a bit nervous while watching Serena Williams in action against Maria Sharapova from the stand at Wimbledon 2015 women's singles semi-final in London on Thursday July 9.

The 28-year-old rapper is rumoured to be dating the 33-year-old world No 1 women's tennis player.

Three days ago, Drake posted a picture of Serena williams and her older sister Venus Williams leaving the Center Court at Wimbledon after their final match on Monday July 6 where Serena defeated Venus.

''A story that will never be duplicated 🎾'' Drake captioned the photo on instagram.