ITV Love Island teases sexiest challenge of the series so far - and fans are 'scared' as they predict mayhem

Love Island fans flocked to social media in excitement as the show teased one of its most popular challenges. In the Heart Race challenge the boys and girls are tasked with trying to raise each other's heart rates through the use of sexy dances and stripteases.

At the end of Monday night's show a 'tomorrow night' teaser showed the Islanders performing steamy routines for each other in costumes. The task always acts as the ultimate sexual attraction test with the Islanders monitored to see whose sizzling performance gets them the most excited.

Fans of the ITV2 reality contest predict that it's going to cause chaos in an already fractious villa. Some couples are already teetering on the rocks and devotees of the show reckon this will be the segment to make or break them.

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Gemma Owen and Luca Bish's blissful partnership was shaken by Ekin-Su Cülcüloğlu spreading gossip that Gemma admitted that a newcomer could potentially turn her head, not forgetting that her ex boyfriend Jacques O'Neill is also in the TV villa which viewers reckon could get awkward.

And Jacques is also going through heartache after his love interest Paige Thorne was stolen away from him in the contest by hunky fellow Islander Jay Younger. Also in the villa Tasha Ghouri has been torn over her feelings for Andrew Le Page after the arrival of newcomer Charlie Radnedge.

@LauraZakLindsay tweeted: "Waiting for Gemma heartbeat go flying for Jaques tomoz." And @okdidiasklol said: "JAQUES’S HEARTBEAT IS GONNA RAISE THE MOST FOR GEMMA IM CALLING IT."

@LuxuryTravelHub wrote: "Gemma best hope that Jacques does not raise her heartbeat more than Luca... there will be problems." And