InStyle scoured the ranks of all your favorite stars (Ashley Greene, Brooklyn Decker, and more!) in search of the most touching acts of kindness, and their answers will make even the Grinchiest Grinches smile. Smash star Katharine McPhee keeps it simple: "I like giving people little things, showing you appreciate them," McPhee told InStyle.com. "Buying people on-set coffee, just little gifts!"Be inspired to do something nice by clicking through the gallery to read more celebrity-inspired sweetness!