Imagine how good life would be if we all had a mini Meryl Streep or Tina Fey in our corners whispering wisdom in our ears, offering sage advice or roaring confidence at every split road of indecision. Pretty awesome, right? Though it's unlikely we'll be able to bottle the particular brand of wonderful these women possess, we can pause to take to heart the discerning observations and lessons learned they have shared with the world. To inspire you to be great, confident, conscientious, and ever hungry, we've rounded up the very best advice from role models from Diane Keaton to Helen Mirren and the many talented leading Hollywood ladies in between. Read on.