Los Angeles: Music mogul Simon Cowell is reportedly considering taking legal action against singer-songwriter Gary Barlow if his new TV talent show is similar to “The X Factor”. Barlow previously starred on the British version of the TV show, but as the “Take That” singer prepares to launch his own talent show, Cowell is keeping a close eye on the singer, reports mirror.co.uk. "Simon's team is keeping a close eye on Gary's show. They want to make sure that it's completely different to his own projects - otherwise there could be trouble. As the trailblazer in the TV talent show sector, it's no surprise Cowell wants to protect his brand,” a source said. "He keeps an eye on all the developments in the industry as they could impact on his business,” the source added. Cowell and Barlow have become rivals as the music mogul suggested the singer-songwriter was to blame for falling ratings of “The X Factor”.