Ruffled tee tutorial from All Things Heart and Home: pretty style, but not a fan of sheer, flimsy tees.
Mouse Headband-Baby Mouse Hair Bow-Mouse Felt by HomemadeTrends
Fabric scraps and buttons -- idea only, no instructions
T-Shirt applique to Headband. This tutorial uses an old t-shirt applique, but the flowers could easily be made out of felt and the result would be the same--cute buttons in the middle would be cute, too.