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Love Island: All Stars' Gabby Allen and Casey O'Gorman's shock victory costs bookmakers thousands after long-time frontrunners Luca Bish and Grace Jackson were 'sabotaged'
The couple had flown under the radar in the leadup to the finale, with bookmakers never placing them as favourites to clinch the £50,000 prize.
Nonetheless, they managed to storm to victory during the live final - pipping longtime frontrunners Luca Bish and Grace Jackson to the post while Ekin-Su Cülcüloğlu and Curtis Pritchard finished in third. William Hill spokesperson Lee Phelps told MailOnline: 'Gabby and Casey’s Love Island All Stars victory last night may have appeared a shock on paper, but the result ended up being a big loser for us, with the couple accounting for over a third (35 percent) of stakes throughout the series.' He continued: 'While the pair started out as an unlikely 10/1 towards the end of January, our punters appeared to have their heads turned in early February and their price dropped to as low as 4/7 at one point – the shortest odds offered at any stage of the series.
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