The O2 Arena in London, England, has been host to several significant boxing events. Since its opening in 2007, the venue has been no stranger to fights that have gripped boxing fans around the world.

Lady Gaga pulled out all of the stops to kick off her four-night residency at the O2 Arena. Not only did the 39-year-old perform hits including “Poker Face,” “Paparazzi” and “Abracadabra,” but she ...