Article continues below advertisementOlivia Wilde appeared happy and healthy in a new photo dump shortly after fans voiced their worry over her thin look.The actress, 42, was all smiles in a behind-the-scenes Instagram post from the press tour of her new movie, The Invite, on Thursday, April 30.In one image, she burst into laughter in front of the step and repeat with costar Greta Lee. Wilde stayed casual in a white T-shirt and half-up, half-down hairstyle with a bun, while Lee dressed up in a strapless red ensemble.