EMBARASING! Facebook Billionaire denied cash at ATM during Honeymoon. Read More!

He is enjoying a dream honeymoon with his bride.

But when it comes to his finances, Mark Zuckerberg suffered something of a nightmare yesterday.

First the Facebook founder was told he has plunged down the richest people in the world league following the social networking site’s bungled stock market flotation.

Bewildered: Mark Zuckerberg may be worth billions but he was left cashless after being unable to get money out of this ATM

Zuckerberg was on his honeymoon with new wife Priscilla Chan, 27, when he was denied cash

A queue built up behind the pair as they tried to withdraw cash on the popular holiday island of Capri

 And just hours later the 28-year-old was left cashless after apparently becoming bewildered by how to work an Italian ATM.

After several tries, he and his new wife, Priscilla Chan, 27, were eventually forced to try their luck at another cashpoint

Seaside: The first couple of Facebook has finally put their billions to good use during their honeymoon

High Tide: The couple rented the entire boat, which can fit up to 12 people and can travel up to 45mph, according to company Amalfi Sails

Adventure: Mark Zuckerberg has treated his new wife Priscilla Chan to a cruise around Italy's Amalfi Coast after spending two days exploring Rome

Tour: The company is known to specialize in custom tours, shuttling customers to show the most beautiful and must-see sights of the jagged coastline and surrounding islands of Capri, Ischia, Procida, and Li Galli

Float: The boat ride was a stark departure from the Zuckerberg's previously low-key exploration of Italy, which has been mostly comprised of moonlit strolls and sightseeing