She's been vacationing on the Greek islands with her family in recent days.
And Charlize's trip coincide with her birthday, so her pals threw her an '80s-themed 'prom murder mystery' birthday party while aboard a massive yacht off the coast of Greece.
The Atomic Blonde actress, who turned 46 on Saturday, looked playful and youthful in a casual pink T-shirt while snapping some photos with her longtime friend Beth Kono on the ship's deck.
Party time: Charlize Theron celebrated her 46th birthday on Saturday with an '80s theme 'prom murder mystery' party on a yacht in Greece with her daughters and close friends
Charlize paired the pink graphic T-shirt, which read 'Birthday Girl,' with a pair of frayed cut-off jeans.
She had multiple colored strands of beads around her neck and wore purple bows in her short blond hair.
The Oscar winner matched the colorful '80s theme with purple mesh fingerless wrist gloves, and she relaxed with a glass of white wine.
Kono, who started as an assistant to Charlize before graduation to producing multiple films with her, wore a blond bob wig and a blue bow with similar baby blue fingerless gloves and a blue sequin off-the-shoulder dress.
Pretty in pink: Charlize posed for photos taken by her producer Beth Kono on the deck of the yacht. She wore a pink 'Birthday Girl' T-shirt with cut-off jeans, colorful beads and purple fingerless wrist gloves
Just a perfect day: She wrote that she 'never got to go to prom,' but her friends made up for it with an '80s prom murder mystery party on a boat,' which was her 'literal dream birthday'
'Happy birthday, Prom Queen!': The post attracted some birthday well-wishes from some of her famous friends, including Andy Cohen and Chelsea Handler
Later on Saturday, Charlize shared one of the photos that her friend took with her 6.6 million Instagram followers.
'Well I
