5 Seconds Of Summer Strip Down To Their Pants During Live Radio Interview - Watch

23 March 2014, 22:15 | Updated: 23 March 2014, 22:48

The 'She Looks So Perfect' singers get naked in front of thousands of fans online.

5 Seconds Of Summer sent fans wild during a live radio interview with Max on Capital tonight (Sunday 23rd March), as the boys stripped down to their pants during the #AmericanApparelChallenge.

Luke, Michael, Calum and Ashton were challenged to answer a set of music-related questions correctly to win the game, however after failing to impress us with their Capital knowledge and numerous incorrect answers, the boys visit took a turn for the naked. Thousands of capitalfm.com viewers sent Twitter wild with a worldwide trend for #5SOSonCapital.

Earlier in the day the boys celebrated their very first Vodafone Big Top 40 No.1 as their debut offering 'She Looks So Perfect' knocked Duke Dumont from the top spot. 

Check out this week's chart in full here

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