Gwyneth Paltrow allegedly ended her friendship with Madonna following an unexpected dinner on vacation

In an excerpt from Amy Odell's upcoming book Gwyneth: The Biography obtained by People magazine, the author wrote: "[A few years after son Moses birth], Gwyneth's friendship with longtime pal Madonna crumbled.

"Their relationship reached a breaking point when Madonna showed up to an island where Gwyneth and Martin were vacationing. Madonna seemed to know that Gwyneth would be there, which Gwyneth seemed to find strange, a friend remembered.

"Madonna then insisted Gwyneth and Martin join her for a big group dinner at a long table where Madonna went off on her daughter, Lourdes. Gwyneth and Martin were disgusted by the behaviour.

"'I can't be around this woman anymore,' Martin told Gwyneth. 'She's awful.'

"Gwyneth agreed that Madonna was toxic and ended the friendship."

The book claimed friends were surprised when Gwyneth and the Coldplay frontman - who are parents to Apple, 21, and 19-year-old Moses - got together.

Amy wrote: "Devastated by her father's death from oral cancer in 2002, she found solace in dating Coldplay rock star Chris Martin and hoped to start a family.

"Both aspired to some kind of soulful, intellectual seriousness at a moment when their work was pulling them toward mass appeal and triviality. Yet her friends felt like something didn't quite click.

"Martin was an introvert who could be socially awkward. But he was incredible onstage, and Gwyneth, who was ready to settle down, was seduced by his persona. "

Gwyneth, 52, and Madonna, 66, became friends in the late 1990s but it has long been speculated they had fallen out, and hadn't been photographed together since 2010.

Back in 2006, the Shakespeare in Love star - who is now married to Brad Falchuck - gushed about Madonna: "Everything I have gone through, she went through ten times worse and ten times longer.

"She gives me good advice about how to say no and take care of myself."

But four years later, she suggested things weren't smooth in their friendship anymore as she discussed personal trainer Tracy Anderson.

She told Britain's Vogue magazine: "Yeah, it's good that [Tracy] doesn't train Madonna any more. It was too much.

"She keeps people waiting - it takes up your whole day."