London reviews  The telegraph 4/5 stars        https://www.telegraph.co.uk/music/artists/madonna-celebration-tour-o2-arena-review/   Rolling Stone    https://www.rollingstone.com/music/music-live-reviews/madonna-london-concert-review-celebration-tour-1234854520/   Independent 5/5 stars    https://www.independent.co.uk/arts-entertainment/music/reviews/madonna-o2-arena-celebration-tour-review-b2430006.html   The Guardian 4/