The rocker has been treating himself to afternoon tea while staying at the swanky London hotel.
Liam Gallagher played the instrument while recording the '(What's The Story) Morning Glory' album in 1995.
Oasis played to 250,000 people at Knebworth in 1996, in a weekend which defined the Britpop era.
The 48-year-old singer admits he doesn't remember much about the live show which is to be celebrated in Oasis' new documentary film.
Noel Gallagher has revealed that he wishes Some Might Say was Oasis' 'calling card' rather than hit 'Wonderwall.'
Noel Gallagher's daughter Anais says people assume she is party animal because of the reputation of Oasis rocker dad and her mum Meg Mathews
The singer accused his brother of forgetting him as the guitarist marked 25 years since the release of their hit album '(What’s The Story) Morning Glory'.
The former Oasis songwriter claimed Ed Sheeran and Taylor Swift 'are not saying anything' with their music.
The Irish pop twins told the rocker that he should 'realise what you gotta do and wear a mask' in public spaces.