ROBBIE Williams was among dozens of guests evacuated from a luxury five-star hotel during a massive blaze this afternoon.

The singer, 44, was filmed dashing down a fire escape during the inferno at the Mandarin Oriental Hotel in Knightsbridge, central London.

23 Robbie Williams, 44, was filmed escaping the huge fire at the Mandarin Oriental Hotel in central London

23 The Angels singer gives the thumbs up to a fellow guest after emerging from the hotel

Around 120 firefighters were sent to battle the roof blaze just yards from Harrods, Harvey Nichols and Hyde Park.

Dramatic footage filmed by a fellow guest shows former Take That star Williams darting down a fire escape.

The singer, believed to be staying at the hotel ahead of Soccer Aid this weekend, was pictured giving the thumbs up after emerging from the outdoor stairwell.

Witnesses described hearing screams as terrified guests sprinted to safety.

Mandarin Oriental Hotel in Knightsbridge on fire

23 The pop star is believed to be staying at the hotel ahead of the Soccer Aid charity football match this weekend

23 More than 100 firefighters have been sent to the Mandarin Oriental Hotel in William Street, Knightsbridge this afternoon

23 Pictures and videos posted on Twitter show large plumes of thick black smoke billowing from the posh Knightsbridge hotel Credit: Twitter/@Vanbird

One passer-by told the Sun Online: "We were walking straight past there and suddenly we heard screaming.

"There was thick black smoke billowing from the hotel.

"It seemed to suddenly get worse as it ignited and we could see flames on the side of the building."

Pictures and videos posted on Twitter show large plumes of thick black smoke billowing for miles across the London skyline.

The blaze erupted less than a week after a £185million refurbishment of the luxury hotel where rooms start from £600-a-night.

23 The hotel boasts a stunning spa and world-famous restaurants including Michelin star signature restaurant Foliage Credit: PA:Press Association

Were you evacuated from the hotel? Call the Sun Online newsdesk on 0207 782 4368 or email sam.christie@the-sun.co.uk

23 Large plumes of smoke billow out across the City of London this afternoon Credit: London Fire Brigade

23 Pictures posted on Twitter show large plumes of thick black smoke billowing across the sky Credit: Nigelcabby/Twitter

23 The Mandarin Oriental is a luxury five-star hotel in London's Hyde Park that recently underwent a multi-million pound refurbishment Credit: PA:Press Association

Just evacuated Mandarin Oriental hotel to see this.... absolutely crazy! So impressed by the organisation in bringing everyone to safety #knightsbridge #mandarinoriental pic.twitter.com/1837pi4uoD — Anna Whiteley (@AnnaWhiteley) June 6, 2018

London Fire Brigade raced to the scene at 3.55pm after dozens of calls from concerned members of the public.

Scores of guests were evacuated from the 12-floor historic hotel while crews tackle the huge roof fire in William Street.

Fire crews say they are no reports of any injuries following the fire.

LFB said in a statement: "We've now got 20 fire engines and around 120 firefighters and officers tackling a fire on the roof of a hotel in Knightsbridge.

"The cause of the fire is not known at this stage."

The Sloane Street entrance to Knightsbridge was closed and customers were advised to use the Harrods entrance.

23 The Mandarin Oriental has 173 rooms and 25 suites - with over half overlooking Hyde Park Credit: Refer to Source - Alamy

Mandarin Oriental Hotel fire in Knightsbridge causes smoke to cover London sky

23 Thick black smoke can be seen billowing across central London this afternoon

23 Firefighters next to the historic hotel that recently underwent a multi-million pound refurbishment Credit: Getty Images - Getty

Ambulance crews have also been sent to the scene.

Paul McKenna, of London Ambulance Service, said: "We were called at 4.04pm today to Knightsbridge to reports of a fire.

"We have sent multiple resources to the scene, including our hazardous area response team.

"We remain at the scene."

The Mandarin Oriental is a luxury five-star hotel in London's Hyde Park that recently underwent a multi-million pound refurbishment.

On its website, the hotel boasts of its A-list celebrity 'fans', including Liam Neeson, Christoph Waltz, Helen Mirren and Morgan Freeman.

Rooms cost from £600-a-night for "superior" rooms to £4,370 for the "presidential suite".

23 Firefighter battles the fire at the historic hotel in central London Credit: London News Pictures

23 Dozens of guests have been evacuated from the five-star hotel in the heart of London Credit: London News Pictures

23 The smoke could be seen for miles across the capital Credit: Twitter/arab_news

The hotel also has a stunning spa and world-famous restaurants including Michelin star signature restaurant Foliage.