Aniston jumped at the chance to help out after Thomas gave her an insight into her own chosen cause.
She says, "I went to one of the events and I was hooked straight away. It's a really good cause."
Model Rachel Hunter, who also took part in the fashion show, admits she was impressed with Aniston's catwalk skills.
She says, "I thought she was very good. I mean I'm an oaf on the catwalk. It wasn't such a big thing back in the day. You need to know what you're doing these days."
The event raised $2 million (GBP1.25 million) for the charity.21/08/2003 09:32