She has her own website: http://www.rachelzoe.com/
You can (and should) sign up for the Zoe Report which is her daily fashion newsletter that is emailed to you with a new tip each day!
You can also follow her on twitter: http://twitter.com/rzrachelzoe
Browse her favorite picks on Piperlime: http://piperlime.gap.com/browse/category.do?cid=49525
Of course you should also check out the items from her line at QVC: http://www.qvc.com/cgen/render.aspx?qp=class9186&rewrite=no
Last but not least, her show is on Bravo TV: http://www.bravotv.com/the-rachel-zoe-project