Michael Jackson children paid tribute to him in the concert held in Cardiff Wales, Paris 13 said “We’re very happy to be here on this special night to honor our father.” Performers at the concert were Christina Aguilera, Leona Lewis and Cee Lo Green, Beyonce’ who gave her performance via satellite, Gladys Knight, unfortunately Chris Brown was denied a Visa, because of his criminal record. He is serving 5 years’ probation for assaulting Rihanna. Jamie Foxx and Fearne Cotton hosted the concert. FYI thisandthatreaders!!! Updated: Apparently many of star studded singers that were suppposed to perform at the Michael jackson tribute concert cancelled at the last minute, Jenifer hudson a backed out.