Three unidentified fashion bloggers referred to in Kindke book from 2011

[SaoriShun]

I was reading a Kindle book, 'HipsterMattic: One man's quest to become the ultimate hipster' by Matt Granfield, which was published in 2011. It features a conversation that the author himself had with Lulu, a friend who worked in the fashion industry.
Lulu and Matt refer to four unnamed fashion bloggers whose style everyone would imitate, and who were invited by Karl Lagerfeld to sit on the front row at his runway shows.
One of the bloggers is stated to have started blogging at the age of thirteen, so that blogger is clearly Tavi Gevinson, but I don't know who the other three bloggers are. However, Lulu does state that one of the other bloggers was seventeen at the time of the conversation.
Does anyone know who the other three bloggers mentioned are?

 

[silk skin paws]

Late to the party ( since I haven't posted in 7 years), one blogger which comes to mind is Julia Frakes (who was a teen when she began) and Susie Bubble. I really had to pick my brain.