Reese Witherspoon was only 23-years-old when she gave birth to her now 21-year-old daughter Ava with ex-husband Ryan Phillipe. During a recent talk on Dax Shepard’s podcast, ‘Armchair Expert’ the ‘Big Little Lies’ actress opened up to Kristen Bell and Monica Padman about the struggles she faced as a young mom.A post shared by Reese Witherspoon (@reesewitherspoon)“I did not have a lot of support with my first baby and I learned really early, like this is not going to work,“ she explained.