I finally found Skinny Girl Margarita at Safeway, and it was on sale at the time, so I "had" to get a bottle to try it:
No, I do not need all of these bar "accoutrements" to drink it. It's actually ready-to-drink as is, although I liked it better when I poured some into my Diet Squirt on ice. I just felt like taking a picture of some of my vintage barware because I like it:
And besides, a little bit of Old Blue Eyes while you sip your cocktail is never a bad thing.