Great friends will tell you if you have spinach stuck in your teeth, help you fix your hair if it's sticking up funny, and make sure you're looking your best before you take a group photo. The same goes for celebs, who are there to help their friends and fellow stars out if they're having a red carpet dilemma! Gregg Sulkin helped keep Victoria Justice's hair looking photo-ready while the girls of Little Mix pulled together to avoid an embarrassing wardrobe malfunction!
Click through the gallery below to see which stars have helped each other out at events. Which do you think is the sweetest? Share your thoughts in the comments section below.