In a further sign that they may have Hollywood's best post-breakup relationship, Angelina Jolie has written the foreword to ex-husband Billy-Bob Thornton's forthcoming book of memoirs, The Billy Bob Tapes: A Cave Full of Ghosts.

Written in conjunction with musician-author Kinky Friedman, The Billy Bob Tapes promises "colorful tales of his modest Southern upbringing, his bizarre phobias, his life, his loves (including his heartbreakingly brief marriage to fellow Oscar winner Angelina Jolie), and, of course, his movie career."

Thornton was married to Jolie between 2000 and 2003 (though they separated in 2002) after meeting on the set of the 1999 film, Pushing Tin. Their relationship quickly became tabloid fodder (including the now-notorious "phials of blood" they wore on necklaces) but their friendship appears to have survived intact.

At the recent Berlin film festival where he was premiering his new film, Jayne Mansfield's Car, Thornton was vocal in his praise for Jolie. "Angelina is a wonderful woman," he says. "I'll love her to the end of my life, and she will me. As friends." Jolie's directorial debut, In the Land of Blood and Honey, premiered at the same festival, and Thorton was unqualified in his admiration: "She did an amazing job."

Thornton also forced to deny that another film project he announced at Berlin, a road movie called And Then We Drove, was inspired by their relationship, despite suggestions by producer Alexander Rodnyansky to the contrary.