The X Factor

When Frederico Gobbo, an allegedly renowned musician, played for the Tenth Doctor and Rose in Vanezia, she was deeply unimpressed and said, "This bloke wouldn't make it past round one of ''The X Factor!" (COMIC: Opera of Doom!)

Donna Noble watched The X Factor, as mentioned by Lance Bennett. (TV: The Runaway Bride)

Cory complained about his fellow astronauts singing, comparing them to contestants on The X Factor. (COMIC: The Hyperion Empire)