Camp Ronald McDonald Celebrity Halloween Party PHOTOS

chelsea hobbs cassie scerbo josie loren ayla kell

Hollywood celebrity kids turned out for a good cause on Sunday.  Camp Ronald McDonald for Good Times held their 17th Annual Halloween Carnival on the Universal Studios back lot.  The organization has helped thousands of children with cancer to enjoy a family camping experience in a medically and psychologically safe environment.

Young celebrities appearing in costumes were Aaron Carter, Kathryn Newton, Bella Thorne, Savvy Burhoe and Mandy Burhoe, Noah Cyrus, and Emily Grace.

Others included Chelsea Hobbs, Cassie Scerbo, Josie Loren, Ayla Kell, Sheila E., Gilles Marini, Shailene Woodley, Ashley Argota, Joely Fisher, Charlie O'Connell and Jerry O'Connell.

View our Halloween costume photo gallery below.

Photos:  WENN