Lately, it seems like it’s been harder and harder to see the positives in the world. Plus, it’s winter — the cold and grey gloom don’t do much to help pick up one’s spirits this time of year. But as we celebrate Random Acts of Kindness Day, let us look to our favorite celebrities — the ones who are making a difference in our world. There are so many cool famous folks who understand they have a lot of opportunity to give back — not so random after all, huh? Let’s make sure their efforts don’t go uncelebrated. Scroll through to see our roundup of the most charitable celebs and what they do to make a difference.