Olivia Wilde: I Stole a 'Jay Leno' Jacket for My Fetus!

Olivia Wilde dons a little black dress while making an appearance on The Tonight Show with Jay Leno to promote her new film Her on Tuesday (December 17) in Burbank, Calif.

“I broke into @jayleno’s dressing room and stole one of his jackets for my fetus,” the 29-year-old pregnant actress tweeted with a pic before her appearance. Check out the cute pic below!

PHOTOS: Check out the latest pics of Olivia Wilde

After the appearance, Olivia was casual chic while leaving the studio.

The day before, Olivia showed her black and white stripes while grabbing lunch with a male pal at Cafe Gratitude.

FYI: Olivia is wearing a Tocca dress, Casedei shoes, and Jennifer Meyer earrings.