From the Huffington Post:
"This wasn't just a gentleman's bet, though: The two men gambled on whose Formula One team would finish higher in a recent championship; Branson bet on his Virgin Racing, while Fernandes bet on his Lotus F1 team. The bet? Whoever lost would serve as a flight attendant on the others airline. It's not what you may think, though: Branson will serve as a female flight attendant, dressed in heels, makeup and dress and will be cleaning the bathrooms (among other duties) on a February 21st flight from London Stansted to Kuala Lumpur."
Uh, I'll just have an OJ, thanks.