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WATCH: Jason Derulo Singing Carly Rae Jepsen's 'I Really Like You' Will Crack You Up!

31 May 2015, 20:00

The silky smooth RnB hunk just can't resist a bit of cheese - and after that performance we're waiting for a hook at at #CapitalSTB!

Max's #Instaoke has become a worldwide phenomenon, with some of the world's BIGGEST stars taking on the 15-second karaoke challenge.

Just days before hitting the Capital Summertime Ball with Vodafone stage in front of 80,000 people, 'Want To Want Me' star Jason Derulo stopped by to be the latest challenger for the Instaoke crown.

After bringing some serious nostalgia with a note-perfect rendition of Shaggy's 'It Wasn't Me', Jason treated us to something very special!

> Watch Jason Derulo's music video for 'Want To Want Me'

Just days after admitting to having a soft spot for her, Max couldn't resist getting Mr 'Talk Dirty' himself to cover Carly Rae Jepsen's latest Big Top 40 smash!

Both Jason Derulo and Carly Rae Jepsen will be taking to the stage this Saturday (6th July) at London's iconic Wembley Stadium for out very own Summertime Ball with Vodafone! Whether you've been a Summertime Ball-er for years, or you're a virgin at our Balls, check out exactly what to expect!