Raise your hand if you have a friendly little sibling rivalry in your house. I know I do. And so does actress Sara Foster when it comes to her own sister, Erin.
We chatted about that and more at the Elizabeth Glaser Pediatric AIDS Foundation A Time for Heroes party, where she also let me in on her bestie, Kate Hudson, and how she is doing with baby number three, Rani Rose. What is your BFF good at?