A Friend in need: Jennifer Aniston shows her caring side in TV ad for children's hospital

By DAILY MAIL REPORTER Caring: Jennifer Aniston lends her celebrity status to a good cause with a new ad for the St. Jude Children's HospitalShe's one of the most highly-sought actresses in Hollywood and is guaranteed to attract attention wherever she goes.But Jennifer Aniston used her celebrity status for a good cause recently as she filmed a new TV ad for the St. Jude Children's Research