Red Carpet Wedding: Andrea Casiraghi and Tatiana Santo Domingo

Royal couple Andrea Casiraghi and Tatiana Santo Domingo sure know how to throw a party.

Judging by the enviable photos that have flooded Instagram and Twitter, it looks like the high society guests — who included Valentino, Mario Testino and fashion heiress Margherita Missoni — couldn't resist taking selfies and snaps throughout the celebrations.