Stats: Hilary Duff worldwide album sales
Metamorphosis: 7.000.000
Hilary Duff: 4.000.000
Most Wanted: 3.000.000
Dignity: 1.100.000
Best Of: 500.000
Queen :duca: source
Note: Santa Claus Lane was certified Gold in the US (500,000), the first Lizzie McGuire album platinum (1,000,000) and the movie soundtrack 2x platinum (2,000,000).