Guests at Russian billionaire Roman Abramovich‘s New Year’s Eve bash were greeted at the party tent with a glass of champagne and a shot of vodka on the lush hillside of Gouveneur Beach in St. Barts at his $90 million estate. The hottest party of the year raged despite a 10-minute power outage at midnight, leaving Fergie and the Black Eyed Peas without lights and microphones in the middle of their performance. “Everyone screamed, ‘Happy New Year,’ and then it went off. Fergie started chanting, ‘I Got a Feeling,’ and everyone followed. It was a long time in a way, but the power came back,” a guest told us. Apl.de.ap pulled “Star Wars” director George Lucas onstage, and then Ashton Kutcher and Demi Moore followed. After the concert Will.i.am and DJ Jus Ske spun tracks until sunrise for guests including Salma Hayek, Peter Brant and Stephanie Seymour, David Geffen, Larry Gagosian, Ellen DeGeneres and Portia de Rossi, Guy Oseary, Harvey Weinstein, Julian Schnabel, Ron Perelman, Alessandra Ambrosio, Anthony Kiedis, Mike Heller, Jason Statham and Nellee Hooper.