Britney Spears and Simon Cowell Headline This Week's Pop Music On TV

There may not be a musical performance, but there are few bigger names in pop music right now than Britney Spears and Simon Cowell. The pair will appear this week promoting the season debut of X Factor. It is just one of more than 20 appearances this week by your favorite pop music celebrities. Check out the schedule details in this week's Pop Music on TV.

_{Photo by Dave Kotinsky / Getty Images}