give me tips on how to be as groovy and glam and as much a fashionista as ms posh spice beckham.

in your opinion how would the male equivalent dress step by step article by article.

stop eating..?

First of all you would have to be incredibly bland and middle of the road, a little bit thick and very very trendy.
Accessories may include anything ridicuously metrosexual/post millenial like a man bag for instance.
Tans, waxs and manicures for men would all be a must and clothing would strictly be designer, starched, ''classic'' aka boring and overdressed at all times.
Physically you would be chiselled and toned to the point of actually looking gay with a crap foppish haircut to match. Come to think of it, David Beckham is probably the perfect example of a male Posh. Yuck, their ''styles'' are repulsive.

plastic surgery
ltos of it

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Obviously, people in whom those beneficial genetic changes are not fully developed—or, in Ms. Love's case, appear to have occurred in a much smaller number—will exhibit self-destructive, attention-seeking behavior reminiscent of a chimp in a cage who masturbates in public and flings turds at visitors," said Anders.

Well I hear she eats lots of prawns to keep her emaciated. Although her breath must stink. Good luck to you.