Had a good night? Bleary-eyed Simon Cowell looks in high spirits as he clutches bottle of water leaving Royal Variety Performance
He is notoriously hard to please when he appears on television as the stern face judge on The X Factor live shows.
But Simon Cowell showed he knows how to let loose at the Royal Variety Performance in London in the early hours of Saturday morning.
No doubt the music mogul, 58, had a fabulous time at the star-studded event as he looked chirpy when he headed home from the glamorous venue.
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Had a good night? Simon Cowell looked chirpy as he headed home after the Royal Variety Performance in London in the early hours of Saturday morning
After the long night, the smiling X Factor boss kept hydrated with the bottle of water he was toting on his exit.
Simon looked dapper as he wore his white shirt unbuttoned to tease a glimpse of his muscular chest and a suit jacket to smarten up his look in his trademark fashion.
He was also seen wearing his favourite pointed brogues with a Cuban heel to add to his height.
Keeping fresh! After the long night, the smiling X Factor boss kept hydrated with the bottle of Evian water he was toting on his exit
Worlds away from his serious television persona, the dad-of-one couldn't hide his delight after the evening's festivities.
The annual event is held in aid of the Entertainment Artistes' Benevolent Fund, of which the Queen is patron.
Simon's appearance at the Royal Variety Performance came after he was left bed bound when he tripped down the stairs to fetch a glass of milk in recent weeks.
The star had left many concerned following news he had fallen at his home and had to be rushed to hospital.
Fabulous time! Worlds away from his serious television persona, the dad-of-one couldn't hide his delight after the evening's festivities
Simon was forced to miss the first live show of The X Factor as a result and had admitted that the terrifying fall had reminded him he isn't 'invincible'.
At the time, he was pictured being rushed to hospital while being stretchered out of his home in a neck brace.
After undergoing tests, he later returned to his home on the same day. He had been alone at the time of his fall, as his girlfriend Lauren Silverman was over in the US.
He later spoke about the fall and revealed he had fainted as a result of low blood pressure.
Figure of a man: Simon looked dapper as he wore his white shirt unbuttoned to tease a glimpse of his muscular chest and a suit jacket to smarten up his look in his trademark fashion
Home time! The annual event is held in aid of the Entertainment Artistes' Benevolent Fund, of which the Queen is patron
Speaking to The Sun, Cowell vowed to clean up his lifestyle for the sake of his young son Eric, three, whom he shares with Lauren. He claimed it was his 'responsibility' as a father to take care of his health.
'Sometimes we get a reminder that we're not invincible and this was certainly mine,' he said.
'It was a huge shock. They think I fainted because I had low blood pressure and so I have got to really take good care of myself to sort that out. After all I am a dad and have more responsibility than ever.'
Explaining how the fall had happened, he added: 'I'd gone to get some hot milk because I felt ropey. On the way back upstairs, I just remember feeling really dizzy.'
Chic: Despite leaving the venue in the dark, Paloma Faith still donned a pair of quirky oversized sunglasses as she too headed home from the Royal Variety
Wow: Paloma looked sensational in her ballgown, featuring a feathered edge, and making her exit from the venue in her sky-scraper high heels
'Next thing I know someone was putting a neck brace on me and I had a terrible headache, which must have been from me hitting the stairs.'
'I was worried at first that I'd done some real damage. But I'm on the mend now. I know I was very lucky I didn't hurt myself seriously. It could have been a lot worse. I must say, everyone at the hospital were incredible. I'm truly grateful.'
The hunk has also made a drastic change in lifestyle after he ditched vodka from his diet, as well as making a conscious effort to severely cut down on the amount of cigarettes he smokes per day.
Speaking to Now magazine, the music mogul said: 'I've cut down smoking to two [cigarettes] a day. That's it!'
Cowell had been known to smoke up to 80 cigarettes a day and revealed he has now stuck to drinking just water.
Good sense of fun: The Script's Danny O'Donoghue showed off his playful nature as he also left the star-studded Royal Variety Performance
Brilliant time! Dapper Danny was in high spirits as he left toting a bottle of water to keep him hydrated after his night out
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