They married in a surprise, £5million wedding on Friday in the stunning surroundings of St Moritz, Switzerland.
And the celebrations continued all weekend for Dasha Zhukova and her billionaire shipping tycoon husband Stavros Niarchos.
Their celebrity guests shared a string of images from the lavish nuptials, with Katy Perry revealed to be among the a-list guests who helped the super rich couple keep the party going.
Party time: The celebrations continued all weekend for Dasha Zhukova and her billionaire shipping tycoon husband Stavros Niarchos as guests including Katy Perry enjoyed a spot of skiing in the wedding location of St Moritz
Derek Blasberg, YouTube exec and friends to the stars, posted images from the lavish weekend on his Instagram account on Sunday, quipping 'We peaked' in the caption.
Derek snapped his close pal Katy cuddling up to some of the wedding's younger guests, dressed for the snow in a ski suit and furry hat.
Katy's fiancé Orlando Bloom was pictured on Saturday looking a tad worse for wear after the main event on Friday, but more festivities were to come as the couple hosted a Russian-themed post-wedding bash on Saturday night.
Marie-Chantal, Crown Princess Of Greece took to Instagram to share her wedding snaps, posing in traditional Russian dress alongside her husband Pavlos, Crown Prince of Greece and high society photograper Jean Pigozzi for the Saturday bash.
wedding bling: Dasha showed off her dazzling engagement ring in a new post shared by the nail boutique in charge of bridal manicure.
Nuptials: DailyMail.com exclusively reported that Dasha, 38, and Stavros, 34, said 'I do' in a specially erected marquee close to St. Moritz's main ski jump Olympaschanze on Friday
Checking out the view! Derek Blasberg, journalist and friends to the stars, posted images from the lavish weekend on his Instagram, including a shot of model Karlie Kloss and her husband Joshua Kushner on a ski lift
After two nights of celebrations, the group spent Sunday enjoying the skiing at St Moritz, with another photo shared by Derek showing wedding guests Karlie Kloss and Joshua Kushner taking in the stunning views from a ski lift.
Meanwhile Dasha showed off her dazzling engagement ring in a new post shared by the nail boutique in charge of bridal manicure.
The picture, posted by London-based nail salon Akraboutique, showed the bride's huge diamond ring gifted from her billionaire fiancé.
Dasha, the ex-wife of Chelsea owner Roman Abrahamovic, was married in a surprise £5million wedding 24 hours earlier than had been expected - with the date being kept secret by guests and the couple.
On Saturday, Dasha, who sources said wore a Valentino bridal gown at Friday night's ceremony, had organised a party and disco inside her husband's hotel.
All dressed up: Marie-Chantal, Crown Princess Of Greece also took to Instagram to share her wedding snaps, posing in traditional Russian dress alongside her husband Pavlos, Crown Prince of Greece
Say cheese: Marie-Chantal looked stunning in a floral crown as she posed with high society