Rod Stewart, Michael Caine and Joan Collins, 86 celebrate Tramp nightclub's ...

From The Beatles to George Best to Mick Jagger, the biggest names have descended on Tramp nightclub since its opening in the swinging sixties. 

And some of the club's most loyal customers returned to the scene of many a raucous evening on Thursday night, as Rod Stewart, 74, Joan Collins, 86, and Michael Caine, 86, led the stars for the club's 50th anniversary in Mayfair. 

Rod, who was joined by his wife Penny, 48, was caught flashing his bottom at the camera as they entered the building shortly before he was followed by the stars - who undoubtedly have boundless tales from the inside of the club, which soared to prominence with its boasts of treating 'everyone like a VIP'.

Tramp has long been a hotbed for superstars, with the current general manager of the venue, David Fleming, detailing the appeal of the hot-spot as he said: 'What happens in Tramp, stays in Tramp'. Michael also said in the past: 'I used to live in Tramp. I was in there every night – givin’ it some of that!'

After 17 years of working in the club, David, 55, spoke to Luxury Life about the behaviour in the club, saying: 'People are actually surprisingly well behaved in here. Stars are definitely more discreet now and also look after themselves more, so there isn’t so much of the excess that took place in the 1970s...

'But the thing about Tramp is that, whether you’re a star or not, everybody who is a member is aware that it’s a huge privilege to be part of it. And so people do behave. I’ve only had to ban two people in the past five years.'

Throwing her support behind her husband, Penny showed off her supermodel figure in a back and grey striped minidress, which she complemented with black court shoes and a velvet YSL clutch bag.  

Do Ya Think I'm Sexy? After his wild years in the club. Rod stayed true to his raucous ways and lived it up with his wife

Do Ya Think I'm Sexy? After his wild years in the club. Rod stayed true to his raucous ways and lived it up with his wife

Rock on! Rod marked the launch of his group Faces' album Ooh La La in the club in 1973 (left-right: guitarist Ronnie Wood, keyboard player Ian McLagan, singer Rod, bassist Ronnie Lane and drummer Kenney Jones)

Rock on! Rod marked the launch of his group Faces' album Ooh La La in the club in 1973 (left-right: guitarist Ronnie Wood, keyboard player Ian McLagan, singer Rod, bassist Ronnie Lane and drummer Kenney Jones)

Way back when: Rod was quite the face in Tramp after years in the club (pictured in 1984)

Quirky: Rod displayed his typical debonair style in a white suit jacket, with a gold broach and snake embellished velour loafers

Back in the day: Rod was a patron of the club for many years and certainly seemed pleased to be back 

Reminiscing: Michael and Joan took a walk down memory lane as they sat next to each other

Reminiscing: Michael and Joan took a walk down memory lane as they sat next to each other

Way back when: Michael and his wife Shakira who met at the club back in 1971 also ringed in the 50th anniversary  (pictured in 1991)

Now: The couple are still living in bliss (pictured on Thursday)

Nostalgia: Michael and his wife Shakira met in the club - which he previously joked that he 'lived in' (pictured left in 1991)

Rod, meanwhile, displayed his typical debonair style in a white suit jacket, with a gold broach and snake embellished velour loafers. The Do Ya Think I'm Sexy? hitmaker proved he hadn't aged one bit since his rock n' roll heyday as he wiggling his posterior for the cameras, while Penny giggled gleefully. 

Joan, 86, meanwhile cut a glamorous figure in a black bardot dress as she headed to the bash with her smartly-dressed husband Percy Gibson. 

The legend had her reception at the club, and was one of many;  Peter Sellers, Liza Minnelli and Ringo Starr also partied until the early hours after tying the knot. 

Michael and his wife Shakira who met at the club back in 1971 also ringed in the 50th anniversary.  

Happy days: The club has long courted the highest caliber of celebrities through its London doors

Happy days: The club has long courted the highest caliber of celebrities through its London doors

Wow; Model Penny flaunted her enviable toned legs as she arrived at the glitzy bash

Wow; Model Penny flaunted her enviable toned legs as she arrived at the glitzy bash 

Lol: The Do Ya Think I'm Sexy? hitmaker proved he hadn't aged one bit since his rock n' roll heyday as he wiggling his posterior for the cameras, while Penny giggled gleefully

Lol: The Do Ya Think I'm Sexy? hitmaker proved he hadn't aged one bit since his rock n' roll heyday as he wiggling his posterior for the cameras, while Penny giggled gleefully

Fond memories: Penny showed off her supermodel figure in a back and grey striped minidress, which she complemented with black court shoes and a velvet YSL clutch bag

Fond memories: Penny showed off her supermodel figure in a back and grey striped minidress, which she complemented with black court shoes and a velvet YSL clutch bag

Wow: Penny showed off her supermodel figure in a back and grey striped minidress, which she elevated with black court shoes and a velvet YSL clutch bag

Wow: Penny showed off her supermodel figure in a back and grey striped minidress, which she elevated with black court shoes and a velvet YSL clutch bag

Celeb hotspot: From The Beatles to George Best to Mick Jagger, the biggest names have descended on Tramp club since its opening in the swinging sixties

Celeb hotspot: From The

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