Lovato is selling items including dresses and tops on eBay.Com and is keen to raise as much as possible, reported Contactmusic.
In a post on her auction homepage, she writes, "I hope you will enjoy wearing these awesome clothes as much as I have! Thank you so much for helping me support Free The Children.
"I really believe in all of the great work they are doing for young people everywhere. I am excited that together we can help build a brighter future and a better world for so many.