6. Zac Efron Vs. 5SOS' Calum Hood
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Zac Efron Vs. Pop: Who's Got The Best Body?
6. 6. Zac Efron Vs. 5SOS' Calum Hood
5 Seconds Of Summer star Calum hood has earned a legion of fans for both his singing talents AND his topless selfies. Who looks better with their top off? Picture: Getty