Credit: Steve Granitz/

Kate Winslet is one very lucky lady.

The 35-year-old Oscar winner was one of 20 people staying at 61-year-old British billionaire Sir Richard Branson's private home on Necker Island, which caught fire early Monday morning.

Fortunately, the Contagion actress (along with her boyfriend, Louis Dowler, and her children Mia, 10, and Joe, 7) escaped unharmed as the blaze tore through Branson's luxury home in the British Virgin Islands -- the same Caribbean destination where Nick Lachey and Vanessa Minnillo tied the knot just one month earlier.

Branson, who was staying at another property 100 yards away with his wife, Joan, and their son, Sam, 25, attributed the fire to a lightning storm. He said the house was "completely destroyed" and the fire was not completely out on Monday.