The winner of the 'American Idol' TV show has topped the US singles chart for a second week running.

Kelly Clarkson, a 22-year-old cocktail waitress from Texas, won the US version of the hit TV talent show 'Pop Idol'.

Her double A-side single 'A Moment Like This/Before Your Love' sold 146,000 copies last week, bringing the single's total sales to 384,000 since its release on 12 September.