Sienna Miller: Beers with the Boy for "Food Fight Club"

Sienna Miller: Beers with the Boy for

Mixing business and pleasure, Sienna Miller got a little tipsy in the kitchen with Jamie Oliver and Jimmy Doherty for “Food Fight Club” in London on Wednesday (September 18).

The “Alfie” star first sipped some wine before busting out some beer with the boys as she helped them prepare a meal in the kitchen.

Though she made sure to check out the hottest new styles during London Fashion Week, the 31-year-old actress admits her downtime is spent in casual attire.

Speaking to, Sienna confesses, “Off-duty, it”s pretty gross, like tracksuits and T-shirts. But I guess I tend to really switch it up. I love rock “n” roll stuff, I love tailoring – it”s kind of like a lot of different things.”