Maria Sharapova at a Rihanna Concert at Twickenham Stadium in London. (Photo from @MariaSharapova)
Maria Sharapova, Stanislas Wawrinka and Juan Martin del Potro hit the bustling concert scene in London last week.
Sharapova and Wawrinka attended a Rihanna show at Twickenham Stadium.
Del Potro went to Wembley Stadium with his coach to see his "idol" Bruce Springsteen.
Juan Martin del Potro and coach Franco Davin in front of Wembley Stadium. (Photo from Facebook)
And to top it all off, Sharapova even got a nice shout-out from Rihanna.