Just as one size may not flatter your figure for a lifetime, you may outgrow your initial signature style as well.
I am ready for a change. Stay tuned for this signature style transformation schedule:
Day 1: Clothes
Day 2: Smile/Cosmetics
Day 3: Hair
In the meantime, might I recommend this article by Real Simple on how to Re-energize your Signature Style? I'll be back with personal results tomorrow.