Natalie Portman "announced" her second pregnancy by walking the red carpet at the Venice Film Festival Thursday with a visible baby bump, the Huffington Post reports. Reports of the actress's second pregnancy from sources close to her soon followed, with one source telling Us that Portman and husband Benjamin Millepied are "thrilled" to be expecting a sibling for son Aleph, 5. E! notes that by staying off social media and living in France until recently, Portman was able to keep the beginning of her pregnancy quiet. (More Natalie Portman stories.)