
REX
The US socialite signed up for the trip in September, but has now claimed that she is worried about swapping her partying lifestyle for humanitarian work.
She told Newsweek: "Before, my life was about having fun, going to parties - it was a fantasy.
"But when I had time to reflect, I felt empty inside. I want to leave a mark on the world."
Hilton added: "I'm scared, yeah. I've heard it's really dangerous. I've never been on a trip like this before."




