The reality TV star and singer, 26, is clearly still smitten with his designer ex-girlfriend who recently returned to the show after a hiatus... But Lydia has been keen to make sure their reunion is purely based in friendship and not romance.
In Sunday night's episode of the ITV2 show (13 July), Arg accepts Lydia's offer to help him improve his driving with some extra tuition (which would take him just that one step closer to passing his driving test and making him more of a man).
And, even though Lydia turns up for the lesson in a rather unsexy high-visibility jacket, Arg can't hide his feelings for her.
As the pair enjoy an even more unromantic picnic on tarmac, the chemistry between the former sweethearts is undeniable.
With Arg desperate to win Lydia back, he chances a risky move by attempting to kiss her - but how will she respond?
Also in the explosive episode, Chloe and Ferne's feud continues with both women ending up in tears.
Meanwhile, Bobby and Gemma argue over Harry, Lauren and Vas stage a fashion show (which gives Dan an excuse to flash his impressive bod), and Ricky presents Jess with a ring...
The Only Way Is Essex continues on Sunday 13 July at 10pm on ITV2.
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