Rihanna tickets online
Superstar What's My Name also used an oyster card to travel to North Greenwich station, leaving fans shocked to see him on public transport, according toThe Sun.
RiRi with a lucky fan with her Navy to create images you post a picture.
A source told the newspaper: "Fans couldn't believe they were sharing a carriage with a world famous pop star."
They added: "She was just like any other passenger, except accompanied by a huge entourage. She was happy to pose for snaps and talk about the gig. She was so down to earth"