Angelina Jolie shared an incredibly important post on social media this week, as she headed out to Washington D.C. for the Senate's introduction of the Violence Against Women Reauthorization Act.MORE: Angelina Jolie looks identical to daughter Shiloh in stunning new photoThe Maleficent star shared a photo on Instagram alongside her daughter Zahara, who she praised for helping to calm her nerves before the press conference.Alongside hashtags including 'nervous mom,' the Hollywood star wrote: "Heading into the Senate’s introduction of the Violence Against Women Reauthorization Act, I’m grateful and humbled to join with dedicated advocates and legislators.VIDEO: Angelina Jolie reveals special reason daughter Zahara wore her Oscars dress"I'm also glad to share in the advocacy with Zahara — and for her presence to calm my nerves before today's press conference."MORE: Angelina Jolie's £19million home after divorce from Brad Pitt is fit for royaltyMORE: Brad Pitt as you've never seen him before as star reveals daily routineFans were quick to show their support for Angelina, with many praising her work.