American actress and singer, Katharine McPhee is currently in Mykonos with her fiancé David Foster, Canadian musician and record producer, celebrating their upcoming nuptials which is expected to take place very soon.

The American Idol alum posted several photos of herself partying on a boat in Mykonos to Instagram. In the snaps, Katharine is seen wearing a rainbow tutu, a sequinned hair bow, fishnet hand warmers and some other colour accessories while sipping a beverage. She captioned the fun-filled post “Honey this is how you throw a party in Mykonos b—h!!”, channeling the Mykonos queen, Lindsay Lohan.

The couple were also spotted looking madly in love, kissing and hugging each other like school kids, while splashing around in the ocean.

The 35-year-old is engaged to marry her music producer, who is 69, any day now.  This will be he second marriage for Katharine who was previously married to Nick Cokas, and the fifth for David who was most recently married to ‘Real Housewives of Beverly Hills’ star Yolanda Hadid.

Speaking to PEOPLE last year, David added that despite his and Katharine’s age gap, they bonded over being in the music industry, “We understand each other,” he said. Katharine also commented that their relationship “doesn’t make sense to a lot of people, but it does to us.”