The Muse rocker kicked back in a deck chair under some trees, venturing out once to the water's edge to see what all the fuss was about.
Her purple leotard meanwhile featured thick straps that crossed over at the back, as well as a subtle floral print.
The former couple have both moved on with Kate linked with Dancing With The Stars pro Derek Hough.
Goldie Hawn hot pictures Her feature film debut was in the role of a Giggly dancer in the 1968 film The One and Only, Genuine, Original Family Band.
Here are twenty of our favorites! Laughing away, the women did their best to hold still as a male friend was roped into taking the picture.
Goldie meanwhile decided against a two piece but instead wore a purple one piece with low back and plunging neckline with button detail.
The 69-year-old star even joined in with Kate and her best friends Kari DeLonge - sister of former Blink 182 singer Tom - and stylist Sophie Lopez to pose for a rather cheeky picture.
And while the Almost Famous star was providing inspiration to others as she frolicked on the Greek beach, Kate's own body icon, her mother Goldie Hawn, 69, was still showing her how to rock a swimsuit.