The 41-year-old Coldplay frontman helped Lily to get home safely after she spent a wild night partying while high on drugs at a Hollywood Halloween bash in 2014 and he invited her for lunch with his former wife Gwyneth Paltrow the following day, where they put Lily in touch with their marriage therapist.
In an excerpt from her upcoming memoir 'My Thoughts Exactly', obtained by The Sun newspaper, Lily wrote: ''I'm not super-close to Chris Martin, but I'll always be grateful that what he did was say to me, 'No Lily, I don't see you like that. I don't want to f*** you. I care about you. I want to be friends with you. I want to help you'.
''He and Gwyneth had just broken up, but they were together in LA doing their conscious uncoupling thing. They asked me over for Sunday lunch. I wasn't very chatty with Chris, but he and Gwyneth did put me in touch with their marriage counsellor. I didn't go, but it was the wake-up call I needed. I knew I was ill.''
Lily, who has daughters, Ethel, six and five-year-old Marnie, with former husband Sam Cooper, added: ''I was behaving in a way that was the opposite of being sexually liberated or free, I was trapped in a cycle. I was addicted to the drink and drugs I was consuming and the sex I was chasing. I felt like an object, a f***able thing that didn't mean anything to anyone.''
The 33-year-old singer also revealed she was once assaulted by a music industry executive.
Explaining that she fell asleep in his hotel room after drinking, she woke up to find him naked and pressing himself against her.
The unnamed man toucher her inappropriately and attempted to have sex with her, before Lily fled the room, according to MailOnline.
She wrote: ''I expected him not to take advantage of my weakness. I felt betrayed. I felt shame. I felt anger. I felt confused.''
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