Selena Gomez Videos: Delightful Halloween Bag: Selena Gomez hit up The Roxy in West Hollywood, California on October 26 and performed an acoustic concert for Trick-or-Treat for UNICEF, for which Selena is an ambassador and spokesperson.

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you're unfamiliar with trick-or-treating for Unicef, they send you a small cardboard bank to take door to door to ask for spare change in addition to sweets on Halloween night. The money you donate allows Unicef to provide medicine and opportunities for eduction to children all over. And to hold all the candy you get on Halloween, you'll want this limited edition FEED Trick-or-Treat for UNICEF bag. Every bag purchase allows the FEED program to provide one year's worth of micronutrient powder (containing essential vitamins and minerals) to a child in the developing world.

Watch the bag in action here and if you want one, they're available exclusively for a limited time at hsn.com for $13.20, but you have to hurry because they might not be available after Halloween. Don't forget that your purchase benefits the FEED program to help hungry children around the world and after Halloween can still be used as a reusable grocery bag.Want to know more about the singer who opened for Selena? Her name is Christina Grimmie and you can find out more about her in this exclusive Fanlala video.