In an effort to protest Instagram's double standard on toplessness, former Paper cover star Chelsea Handler has been freeing her nipples willy nilly on social media since fall, atop horses, atop mountains, atop scooters, at Mardi Gras and, now, on a floor. The latest photo, posted to Twitter yesterday, is meant to refute recent idiot-spread rumors that she had a breast lift for her 40th birthday.