Charitable stars pose for portraits in new picture book

Mark Wahlberg, Eva Longoria and Katherine Heigl have been included in a new book which features portraits of some of Hollywood's leading philanthropists.

Photographer John Russo has taken snaps of 100 famous faces who are renowned for supporting charities and social causes.

Goldie Hawn, Jeff Bridges, Sophia Loren, Ricki Lake, Maria Shriver, and First Lady Michelle Obama also make the collection, which is called 100 Making A Difference.

E! News reporter Elizabeth Chambers provides the words for the book, which explains how the personalities have helped a number of good causes through their own foundations and funds.