Rihanna is heading for her fourth UK chart-topping album with Unapologetic as Olly Murs looks to complete a quartet of No 1 singles.
The Barbadian's newly-issued Def Jam/Mercury set currently has a lead of more than 20,000 units with Led Zeppelin's Celebration Day in second place, according to the Official Charts Company.
Unapologetic now looks on course to emulate Good Girl Gone Bad, Loud and Talk That Talk by reaching No 1, while Celebration Day will give Led Zeppelin their third Top 10 album ...
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