Duffy has scored the biggest-selling album of 2008 in the U.K. with "Rockferry" (A&M/Universal), according to the Official Charts Company.

The pop vocalist's debut set moved 1,685,000 copies, beating off a late challenge from revived boy band Take That. The pop act's album "The Circus" (Polydor), released Dec. 1, sold rapidly enough to register a total sale of 1,446,000.

There were three other million-selling artists. Kings Of Leon's "Only By The Night" (Hand Me Down/RCA) is third followed by Leona Lewis' "Spirit" (Syco) in fourth place. Coldplay's "Viva La Vida Or Death And All His Friends" (Parlophone) was the fifth biggest seller.

Alexandra Burkeā€š winner of TV music talent show "The X Factor," has the biggest-selling single of 2008 with her cover of "Hallelujah" (Syco). In two weeks, it sold 888,000 copies.

Burke pushed "The X-Factor" finalists' "Hero" into second place for the year, with sales of 751,000. In third place, Duffy sold 536,000 copies of her "Mercy" single (A&M/Universal).

The "Mamma Mia" movie soundtrack (Polydor) was the biggest-selling compilation, with sales of 1,007,000 - the only million-selling set by various artists.