Lily Allen is reportedly poised to reveal details of a mid-air romp she once had with rocker, Liam Gallagher.
The Smile singer reportedly enjoyed a boozy bender with the former Oasis performer while on the plane to a festival in Japan together.
And now she is set to reveal all the details in her “dynamite” new book, which will be released next year.
The pair were said to have met in Heathrow’s Upper Class lounge before jetting off to the Fuji Rocks festival – with reports in 2009 suggesting they enjoyed champagne together before shocking passengers with their flirty behaviour while on the 11 hour trip.
Their crews tried to keep them from mingling on the plane, but they allegedly carried on spending time together throughout the journey – despite the fact that Liam was married to Nicole Appleton at the time.
Discussing Lily’s book, which will soon spill details of the encounter, a source told The Sun: “Lily’s agent has been touting the first draft of the book and boasting that nothing has been held back.
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“Everyone who read it was stunned as it’s amazing stuff and could be dynamite.”
The book could also include details of Lily’s encounter with Nicole shortly after the renzesvous, where The Sun reported she acted “provocatively”.
A source said: “It was fairly soon after the flight, which had sparked gossip in pop circles. Lily made a beeline for Liam and Nicole and started chatting.
“But Nicole was not happy about it, as she had heard the gossip and it caused a few ructions between her and Liam.”
Lily’s book will be released next year, and promises to give fans a “shocking and brutal” insight into how she used “sex, drink and drugs to get through the days”.
The singer added: “Some of it might be uncomfortable. It won’t be written with shame. It will be true.”
OK! Online has contacted Lily’s representatives for comment.