27-year-old actress, Olivia Wilde, says her vegetarian diet keeps her trim and that yoga makes her feel beautiful, reports the Belfast Telegraph.(Olivia has also previously said that avocados are her "crack" -- we agree!)Olivia on her vegetarian diet: "Not eating meat [really keeps me trim]. It's a lifestyle choice, but meat, and what's usually served with it, is a big calorie packer." Olivia adds that yoga makes her feel beautiful: "Do some yoga. I never feel more beautiful than after I've really spent some time breathing." Namaste to that!