Plus how to support women via donations and activism.
Girl has got it down to a science.
A tried-and-true method for getting the public's attention.
They even took part in an "Instagram takeover."
And, yes, people are paying it.
Useful tutorials from Instagram stars.
Plus other highlights from her 'Today' show interview.
Including bromance, frenemy, and—of course—selfie.
From Rachel Zoe to Leslie Fremar.