Normally I am a little averse to silk because of what they do to the worms, but since this is a vintage skirt I am going to let it slip by :)
And you can find this Gap T-shirt at ASOS for €20.63
and these shoes at Shabby Apple for 100USD
It is such a great look. I am a huge fan of yellow and Kristen Stewart just knocked my socks off in her outfit.
PS If you are so inclined, you could always give the outfit your own twist; like I am inclined to replace the grey tshirt with this black and white striped one:
Whatever floats your boat :)