And her pal shared a photo of the pair decked out in tiny bikinis soaking up the rays on a sunbed, which the Canadian star quickly shared to her own audience.
Despite her recent struggles on court, Eugenie was celebrating after she helped her country win the Billie Jean King Cup for the first time.
And after battling to overcome several injuries, this latest snap shows that she is looking as toned and athletic as ever.
Of course, this is not the first time that the beautiful tennis player has taken Instagram by storm.
Just three weeks ago she sent fans into meltdown while posing in a red bikini.
Eugenie is now gearing up for her switch to join the pickleball league in the new year.
The fast-growing sport is similar to tennis, but it takes place on a smaller court with plastic paddles and a hollowed out plastic ball.
And Eugenie is not the only major name in tennis to make the move.
