Lindsay Lohan threw her fiance's phone into the sea, sparking a huge row.
Egor Tarabasov and Lindsay Lohan
The 'Mean Girls' actress was reportedly infuriated after reading a text message on Egor Tarabasov's mobile device and stunned their friends and family - including the businessman's mother Elena - at Chinawhite on Rakkan Beach in Mykonos with her explosive reaction.
And Egor quickly retaliated, throwing a drink over the 30-year-old star.
The pair then argued before security stepped in to calm the situation.
An onlooker told The Sun newspaper: "Everything was fine between them before something on Egor's phone upset Lindsay.
"They then started shouting and screaming at each other.
"Lindsay threw his phone in the sea, she looked absolutely furious.
"The security at the beach club had to pull them apart and Lindsay left in her car while Egor went back to the party."
Egor's mother was left unimpressed by the incident, as she was overheard urging her son to end their volatile romance.
While representatives for the actress claimed the row was "all in jest", Lindsay appeared to reference the situation on her Instagram account.
She wrote: "Falling in love in exhausting .... Especially when you're the older woman and have already seen it all #love is the most important thing at the end of the day #serenity (sic)"
But hours later, the 'Machete' star - who got engaged to Egor earlier this year after eight months of dating - shared a picture of herself and Egor with a string of love heart emojis, proving their romance is back on track.
Lindsay recently revealed she wants to have children but is determined to get her movie career back on track first.
She revealed her upcoming plans as: "Making more films, writing my book, starting my charity, working with children a lot. Maybe having some of my own soon - after I get some movies done, first."
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