Their life was complicated — [Max] Ernst was still spending time with his wife — but Leonora plunged recklessly into Surrealist Paris life. At one smart party she arrived wearing only a sheet, which she dropped at an opportune moment; she sat at a restaurant table and covered her feet with mustard, and served cold tapioca dyed with squid ink to guests as caviar. Visitors to the rue Jacob might wake up in the morning to a breakfast of omelette full of their own hair which she had cut while they slept.
It gets more interesting from there.
UPDATE! A video of her art: