Reese Witherspoon has had a monumental week, coming off the heels of a huge business decision that involved the sale of her media company, Hello Sunshine.READ: Reese Witherspoon's daughter Ava Phillippe has the sweetest response to her mom's big newsNow, her week gets even more pumped as she announces to fans another exciting development in her career.WATCH: Reese Witherspoon's throwback marks big milestoneReese posted on her Instagram Stories a snapshot from a Deadline article, which stated