According to reports, Michael Smurfit marked his 90th birthday in typically lavish style this weekend, with around 150 friends and high-profile guests said to have gathered for a celebration in Monaco. Smurfit’s long-time Russian girlfriend Yana Melnikova, who is over 30 years younger than him, was also in attendance. Smurfit hosted 150 friends for a lavish 90th birthday in Monaco. Pic: Richard Sellers/Sportsphoto/Allstar via Getty ImagesThe lavish gathering comes as little surprise given Smurfit’s history of marking milestone birthdays in spectacular fashion. His 70th and 80th celebrations were similarly extravagant, with his 80th birthday marked by a week-long event aboard a superyacht attended by more than 100 friends, family members and VIP guests.