Here are our top 5 favourite Pre-Oscar Instagrams 1. Jessica Chastain shares a picture this morning of her getting ready for a photoshoot looking beautiful and natural before she’s even ready. She might not be attending the Oscars but she will be watching on the TV. Image: Instagram @chastainiac #Repost @elizabethstewart1 ・・・ Not going to the Oscars tonight, but excited to…