Beyonce in her early 30s: Four Grammy's, BEYONCE release, Superbowl headliner, queen of Forbes, most famous woman in music
Kim in her early 30s: Time 100 (one of 40 women) Honoree, honored by Variety for charity work, starpower bigger than ever, meetings with world leaders
Angelina in her early 30s: major box office success, Oscar nom, one of the highest paid women in film, awarded by actual Kings of nations
Britney in her early 30s: Vegas show, collabs with Iggy Azalea, ...?