Lady Gaga fans were left in disbelief after the singer took an item from them as she walked past at the O2 Arena in London ...

Beyond the spectacle, it was a show packed with moments that reminded fans why Gaga remains pop’s most fearless superstar ...

We were treated to Gaga dancing in a sandbox with skeletons, crawling through the eye of a giant skull and riding a gondola ...

The Mayhem Ball at the O2 review — put your paws up for the stadium show of the century - 5/5 If we could give this show six ...