Olly Alexander joins lookalike for unexpected performance at London's St Pancras

delivered an unexpected treat to London commuters with a alongside his double at St Pancras station. The 'Years & Years' joined forces with lookalike tribute act, known as 'Starstruck' or Keith Marshall, during a live busking set, transforming it into a 30-minute pop-up concert.

Marshall, who frequents festivals and events across the UK, was belting out 'Desire' when Olly himself stepped up for an unforgettable cameo, doubling the entertainment for the crowd. Describing the impromptu gig, singer and actor, Olly said: "Why have one of something when you can have two? I hope the crowd had as much fun as I did."

The twin surprise aligns with new research showing Brits' fascination with their other halves – not just in looks but in possibilities. A Twix-commissioned survey, to launch its new brand platform 'Two is more than one', found that 40% of Brits are captivated by the concept of doppelgangers, with a whopping 78% keen on meeting theirs.

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Interestingly, the Twix study also highlighted generational perspectives on having an alter ego; Gen Z is most inclined to want a replica to handle life's less appealing tasks, more so than Millennials (66% compared to 51%). Young adults envision their doubles tackling chores and taking their place at tedious work meetings.

According to the study 37% of individuals have been mistaken for someone else in the past, with over half (53%) intrigued by the notion of having a lookalike somewhere in the .

Interestingly, nearly a quarter (24%) would prefer to use their double as an assistant rather than treating them as an equal. Over two-thirds would delegate such as washing up and laundry to their doppelganger, while 26% would send theirs to social events they'd rather skip, and 25% would have them wait in for deliveries.

Some even suggested they would use their double to avoid small talk with certain individuals, sift through lengthy contracts or terms and conditions, or handle the grocery shopping.

The study, carried out via OnePoll, revealed that 55% feel they don't have enough time to achieve everything they need or want to do. This is was attributed to a lack of hours in the day (48%), taking on too many responsibilities (34%), and constant unforeseen circumstances (33%).

As a result, if they had a clone, 49% believe their life would be at least twice as easy, almost half (47%) think they would accomplish more if they had a double, while 34% reckon they would be Four out of ten believe it would be quite amusing if they had a doppelganger to step into their shoes for a while.

The latest brand campaign 'Two is more than one,' pays homage to its iconic two-bar serving – because Twix is all about doubling the goodness.

Lauren Godfrey, senior brand manager from Twix said: "In a world where time is precious, having a clone would be the ultimate life hack.

“While we may not have doubles of ourselves just yet, we’re pleased to have doubled the fun for many of the public today. It’s important to make time for little treats amongst the day to day.”