5: The number of Big Top 40 number 1s from Jason Derulo
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Capital's Summertime Ball By Numbers: The Stats You NEED To Know
![Jason Derulo with Rich + Kat](https://assets.capitalfm.com/2013/37/jason-derulo-1379260752-view-2.jpg)
6. 5: The number of Big Top 40 number 1s from Jason Derulo
Jason Derulo is practically royalty on the Vodafone Big Top 40, just look how happy Kat looks!