Music
The rapper, whose latest track features Chris Brown, looks certain to lead this week's tally after gaining a considerable lead over his closest rival Jessie J, who slips from one to two with 'Price Tag'.
Elsewhere, Chris Brown is likely to enter the top five with 'Yeah 3X', which jumps four spots from nine to five, while Taio Cruz and Kylie Minogue's 'Higher' remains at eight.
Further down the chart, Loick Essien and N-Dubz's 'Stuttering' sits at 23, Nicki Minaj and Drake's 'Moment For Life' debuts at 32, and Eric Prydz's 'Niton (The Reason)' lands at 39.
On the album chart, Adele is on course for a third week at number one with 21, while Bruno Mars's Doo Wops and Hooligans climbs a place from three to two.
Computers And Blues by the Streets currently sits at five, and James Blake's self-titled debut enters at number eight.
The official singles and album charts are announced on Sundays between 4pm and 7pm.
Source: Official Charts Company
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