Britney Spears' "Blackout," the teen-idol-turned-tabloid-figure's first Jive album in four years, was moved from a Nov. 13 release to this week due to widespread leaks of its songs. Backstreet Boys an

Britney Spears' "Blackout," the teen-idol-turned-tabloid-figure's first Jive album in four years, was moved from a Nov. 13 release to this week due to widespread leaks of its songs. Backstreet Boys and Eagles also have notable releases this week.