Obviously, there's nothing magical about the big 3-0, and everybody experiences aging differently. But the way lot of women talk about it, there are some lovely life changes that can come into play during our fourth decade. Petty bullshit falls away. What matters to you comes into focus. "IDGAF" becomes something of a mantra. Your identity crystallizes. You worry a little less about what other people think. You've gained some wisdom. You feel more confident, more sexy, more peaceful, more whatever.

At least, that's how these female celebrities feel about their 30s. From Reese Witherspoon to Kristen Wiig, here are 14 famous women who say life in your 30s rocks.