Beyonce's self-titled album tops Billboard for second week in row

Beyonce has retained her top position on Billboard album chart for the second week in a row, with her new surprise album.

The 32 year-olds fifth studio set sold 374,000 copies in the week ending and broke iTunes sales records by selling 828,773 copies in just three days, Contactmusic reported.

For its first week the album could only be purchased exclusively through iTunes but this week it was made available through many big name retailers.