They were previously involved in an awkward love triangle, before she finally chose to be with sandwich maker Joe.
But, in a preview of Sunday's episode, it looks as though there's unfinished business between Tommy and Lucie as the two get up to some flirtatious antics - sending tension through the villa.
Their behaviour doesn't go unnoticed by Lucie's partner Joe, who later admits ahead of the recoupling that he's having doubts about whether the surfer is the right girl for him.
Still a spark: In a preview of Sunday's episode, it looks as though there's unfinished business between Tommy and Lucie as the two get up to some flirtatious antics
The drama unfolds as the group are relaxing on the beanbags in the garden, when suddenly Tommy and Lucie start whispering between themselves.
The two, who had previously contemplated a relationship before Lucie picked Joe, then got up and headed off to the kitchen.
They then proceeded to lark about and play games in a flirtatious manner, leaving their fellow islanders to look on in shock.
Commenting on the situation, Anna told the rest of the group: 'I think it's so rude when you're in a group of people sitting like this and you start whispering.
Fuming: Their behaviour doesn't go unnoticed by Lucie's partner Joe, who later admits ahead of the recoupling that he's having doubts about whether the surfer is the right girl for him
Flirty: The drama unfolds as the group are relaxing on the beanbags in the garden, when suddenly Tommy and Lucie start whispering between themselves
'No wonder she doesn't want to hang out with us, we don't make her laugh like that.'
Amber then goes up to Joe in the gym and asks if he's alright after witnessing the pair go off together.
And Joe makes it clear that he was none too pleased with the way Lucie had
