Roger Waters, Eurovision 2011, George Michael: Biggest News Stories This Week (May 14)

As another week passes by, it's time once again for Gigwise to bring you a round-up of the news from the last seven days in bite-sized portions - just how you like it.

This week has been filled with coverage of Lady Gaga as she appeared at a last minute show at Cannes Film Festival and a secret London show, promoting forthcoming album 'Born This Way'.

Roger Waters gave Pink Floyd fans a real treat as he was joined by David Gilmour to perform ‘Comfortably Numb’ at the O2 Arena. George Michael announced that he will embark on a UK tour next year.

You can read more on these stories and more – including ones involving Rihanna, Eminem, Bruno Mars and Noel Gallagher – in our round-up below.