See here

fashionista.com/2013/08/how-personal-style-bloggers-are-raking-in-millions/

Affiliate sales: top style bloggers to earn upwards of $50k/month 
Hosting gigs:$2,000 for a small-scale one-off gig (like hosting a party, or writing advertorial)
Sponsorships: “six figures” for a longer partnership, like “a year-long ambassadorship or major full-scale advertising campaign.”
Advertising: various amounts

So it all adds up, :)