"Angelina Jolie is one of the bestest pals I have," said Liam.
"Not only has she swapped her vial of Billy Bob Thornton's blood for a thimble full of my sweat, but she's great at playing horsies."
Liam rides Angelina Jolie during a break on the set of Lara Croft Tomb Raider: The Cradle of Life.
