How can I stop getting updates from someone on Facebook?

I made a big mistake. I figured it was the 21st century and I should probably get a Facebook page. I friended a few people and occasionally contact them through Facebook. Then, they sent me friends and you know how it goes. The problem is one person uses it like twitter and I get all kinds of junk about what she bought, what she likes, where she eats… It’s ridiculous! We’re adults not kids! Is there a way to stop getting this crap without her knowing? I don’t want to defriend her. But I don’t want to hear about her daughter’s friend’s latest shopping trip.
I have spent an inordinate amount of time looking over the privacy settings and just don’t see the magic “No Update messages from XYZ” button. Am I missing something?