Shirt - Merona
Cardigan - Old Navy
Slacks - Gap
Shoes - American Eagle
And yes, that is gray nail polish - I'm giving the trend a try. I wasn't sure about it, but actually now I like it. It's almost like wearing silver nail polish, which I used to wear quite often.
Side note: I was very excited to see that Keri of ...And I Wore This is back, and she changed the name of her blog (click to check it out). Congratulations!