Celebrities seem to spend half their lives hopping on and off planes.
So it’s hardly surprising they often get spotted at airports.
And while many don the black sunglasses and rush through to avoid detection, others – as these photos prove – are only too happy to stop and pose with fans.
One managed to grab a selfie with Cara Delevingne at Suvarnabhumi Airport in Thailand.
Another waited all night at Glasgow Airport for the chance to see Harry Styles, and it paid off. The One Direction star agreed to a snap.
Read on for more in-transit star encounters, rounded up from across the web by MailOnline Travel.
According to this uploader, her mum (right) bumped into Selena Gomez at an airport and got this snap for her daughter
Ashleigh Atkinson, 29, waited all night at Glasgow Airport to catch Harry Styles, and when he finally showed up, he agreed to a selfie with her
This fan managed to grab a selfie with Cara Delevingne at Suvarnabhumi Airport in Thailand
This uploader shared a snap of their cousin posing at an airport with Rosie Huntington Whitely – and his T-Shirt is priceless
This lucky fan is pictured at London’s Heathrow Airport with Ariana Grande (right) and The Wanted’s Nathan Sykes (left)
Fifty Shades of Grey star Jamie Dorman ducked into this snap while waiting at the baggage reclaim
Kristen Stewart, known for often looking sulky when photographed, cracked a rare smile here
Elsewhere, her ex-boyfriend Robert Pattinson, sporting a full beard, was spotted on a plane and agreed to this quick selfie
Kayne West doesn’t appear to be fully compliant with this shot, taken at LAX with fan Maddie Elburn
This uploader (left) wrote: ‘As a limo driver, I knew I’d meet a celebrity around Sydney International Airport at some point’ – Elijah Wood in this case
Paul Rudd gave a polite smile as he posed with a fan who identified him while in transit
This uploader, Florida-based Deanna Hall, got her dad (left) to get a photo with Nick Jonas (right) who happened to be sitting with him on a Delta Airlines first class flight
Thomas Brodie-Sangster (right) with a fan (left), pictured at Heathrow Airport, where he starred in a major scene for the 2003 hit Love Actually
This photo went viral after the uploader got a less-than flattering snap of Nicholas Cage on a flight
Travis Fimmel, former model and star of Vikings, posed here with an airport worker in July 2014
Comedian Cedric the Entertainer was happy to get a selfie with this fan at a US airport