4 Weeks: Bruno Mars - 'Grenade'
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The Longest Reigning No.1 Singles In Big Top 40 History
11. 4 Weeks: Bruno Mars - 'Grenade'
Bruno Mars absolutely dominated the Vodafone Big Top 40 in January 2011 scoring four of the five Sundays in the month. He was finally knocked from his perch by Jessie J's 'Price Tag' featuring B.o.B.
