They have not been spotted together in some time but George Michael and his boyfriend Fadi Fawaz made a rare outing together in Switzerland last week.
The couple walked hand-in-hand in Zurich on July 4, with George looking serious as he smoked a cigarette.
And while George has been keeping an extremely low profile in recent times, he followed up his trip out with Fadi with three tweets denying claims in a Sunday newspaper that he was addicted to crack cocaine.
Jackie Georgiou, wife of the singer's cousin Andros, told Pete Sampson at The Sun she is 'petrified' the 52-year-old will die after claiming his alleged binges on crack, cocaine, alcohol and marijuana left him a drug-addled wreck.
But George hit back, writing on Twitter: 'To my lovelies, do not believe this rubbish in the papers today by someone I don't know anymore and haven't seen for nearly 18 years...I am perfectly fine and enjoyed Wimbledon like the rest of you. Wish it went to 5 sets though!...Lots of love, The Singing Greek xxx'
And he added another tweet sending his love to Sam Smith after the singer revealed he was listening to George's music.
George's tweets came after a shocking interview in which Jackie said: 'He was smoking crack. Before he went away he was he got to the point where he would be shaking, saying, "I need it."'
However, a spokesperson for George Michael told MailOnline: 'We refer to reports that have appeared in today's newspapers concerning George Michael.
'Whilst it is our general policy not to comment on private matters, we would in this instance note that these highly inaccurate stories have been apparently provided to the press by the wife of a very distant family member, neither of whom has had any dealings with him for many many years.
'It is therefore unsurprising that they are so incorrect. Beyond this we have no further comment to make as the matter is now in the hands of Mr Michael's lawyers.'
Jackie had also told The Sun: 'There were parties where he was taking drugs and collapsing and being picked off the floor. Waking up in vomit, horrible things. He was so thin, so ill.
'It's crack, it's marijuana, it's drink, it's coke. It was pretty dark and things were getting darker. He was going to end up locked up or dead. I'm petrified he will die.'
The 45-year-old made the comments as it was reported the Wham star checked himself into one of the world's priciest addiction clinics, the £190,000-a-month Kusnacht Practice in Switzerland, in June last year.
Last month, a report in German newspaper, Bild, claimed he has been at the centre 'for months'.
As well as alcohol and drug addictions, the clinic treats 'eating disorders, gambling compulsivity, depression, trauma and internet compulsivity'.
Ms. Georgiou also alleged the family visited him for his 52nd birthday last month, but claimed he was still drinking alcohol.
However, George's spokesman said at the time: 'Contrary to some of the reports in the press, George has not just entered rehab but is spending time in Europe. He is well and enjoying an extended break.'
In recent pictures, the star looked bloated and unkempt as he mingled with friends while marking his most recent birthday in Switzerland.
Despite keeping a low profile on social media, he broke his silence on Twitter to thank fans after they bombarded him with well wishes on the milestone on June 25.
He wrote: 'To my lovelies and fans around the world, thank you for all the birthday wishes, I am truly overwhelmed.
'I am looking forward to spending it with friends and family, thanks again, love The Singing Greek!'
The entertainer - who over the years has had a public battle with drugs, and several arrests in relation to them - has rarely been seen in public and it was claimed last year that he only allows his best friend and co-writer David Austin to visit him at his North London mansion.
A neighbour said recently: 'I haven't seen George himself since last year - I can't remember exactly it was so long ago.
'I see his friend walking the dog regularly: at least once or twice a week, always about 10 or 11 o'clock in the morning.
'He often pops in to pick up the odd grocery.
But it's definitely been at least six months since I have seen George around.'
In 2011, George nearly died from pneumonia when he fell ill while preparing for a concert in Vienna, and needed a tracheotomy to keep him breathing when he slipped into a coma.
That year, he also revealed he had ended his relationship with then boyfriend Kenny Goss, after being together for 15 years.
Michael has had a series of drug-related arrests.
In 2006, Michael was detained by police in possession of Class C drugs, later saying it was his 'own stupid fault, as usual'.
The following year he said cannabis use was 'a problem' for him, adding: 'I would like to take less, no question.'
He was arrested and cautioned after being found with drugs in a public toilet in north London in 2008, then jailed for driving his Range Rover into a Snappy Snaps store in 2010.
In 2013, he was involved in a bizarre accident on the M1 motorway when he reportedly fell out of his car's door while trying to ensure it was properly closed.