I've worn this often...but I thought it made a nice contrast to all the formal wear:
The gray=and-white t-shirt is by Converse One-Star, from Target in January 2009; the shoes are Janine houndstooth pumps, from Payless in September 2014. Other accessories are a white bow, red jewelry, red belt, and white hose.
Two more nice portraits:
That finishes the second day of the four-day dressing spree.