How do you style your Gucci Princetown?

I'm in exactly the same situation now! Did you have any trouble with slippage after you'd worn them in? Seems like I've got about an inch of space in front of my toes but the heels seem to be in the right place...for now, anyway. Wondering if I should size down or not, would love your advice.
I have 2 pairs for the jacquard I wear my true size for the black leather I sized down by half a size and have had no issues with both