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Dale Winton and Graeme Souness on a night out in 2002
They say "opposites attract" in love, but the same can be said for friendship.
Some were surprised to see that former hard-tackling footballer Graeme Souness went to the funeral of Supermarket Sweep host Dale Winton on Tuesday.
In fact, the pair were good friends for many years, after meeting through Souness's wife.
"We met in a restaurant in London and became great friends," the former Scotland captain told BBC 5 live last year. "We used to see him on holiday in southern Spain when we all went there."
Their friendship blossomed to such an extent that Winton asked Souness to be his best man.
He proudly agreed, as all good friends wouldunaware until the big day itself that it was just for a spoof wedding on BBC Three.
Here are five other unlikely celebrity friendships.
Anna Wintour and Roger Federer
The long-standing Vogue editorwidely revered in the fashion worldis known for her icy, restrained demeanour. That is, it seems, unless she is speaking to tennis icon Roger Federer.
Writing in Tennis magazine with rarely-seen warmth, Wintour opened up about their friendship, which began when they met for lunch through a mutual friend in 2005.
She gushingly admitted that while "everybody calls themselves Roger Federer fans", she considers herself "a groupie".
"It's no secret that he's appeared in Vogue about as often as Karlie Kloss," she continued.
The Swiss ace has gone on to join her at numerous fashion shows, a world Wintour says he is "desperate to talk about".
And when Federer accepted the her invitation to attend the Met Gala last year, Wintour said: "Roger was by far the best dressed. Nineteen Grand Slams, one Met Gala and counting." Game, set and costume match.
Jessica Williams and JK Rowling
As an actress, comedian and former senior correspondent on The Daily Show, Williams is no stranger to showbusinesshowever the origin story of her friendship with Rowling resembles a fan's dream.
Speaking on the Late Show With Stephen Colbert last year, Williams recounted how their relationship was sparked by a mix of Twitter and some liquid courage.
After the Harry Potter author followed her on Twitter, Williams only decided to slide into her DMs in the midst of a night out.
"My boyfriend [and I] were at a bar and we had been drinking and [he was like], 'You should DM her,' and I was like, 'no!' And so I did a shot and then I messaged her like, 'Heeey JoJo!'"