4 Weeks: Rihanna & Calvin Harris - 'We Found Love'
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The Longest Reigning No.1 Singles In Big Top 40 History #OWNED
2. 4 Weeks: Rihanna & Calvin Harris - 'We Found Love'
Back in 2011 RiRi and Calvin spent four weeks in pole position, however there was strangely a two week period in the middle of their reign where Professor Green's 'Read All About It' borrowed the No.1 spot.