Ok, I run like 5 celebrities blog, some of them are dedicated to a unique celeb only, I first chose this industry because I think it can be highly profitable because of those TV shows ads and so, but it's very hard to compete with big entertaiment sites and major magazines and as wells as receiving million of visits as other bloggers do.

I've tried anything in 'white seo', But they don't really help at all, Not when you're in a extremely competitive industry.

My blogs are in Wordpress.

What can I do to boost them with visitors, rank high in search engines, attract advertisers, etc

Any recommend?