The Hangover (2009)
The Happy Couple: Doug Billings (Justin Bartha) and Tracy Garner (Sasha Barrese).
The Wedding: A scramble to get there on time, after Doug spends his stag do trapped on the roof of a Vegas hotel getting sunburnt.
If They Get Divorced: It’ll be because of Doug’s mates, surely? Although judging from The Hangover: Part 2 , ‘early night’ Doug isn’t nearly as mental as the Wolfpack.
The Happy Couple: Lydia Deetz (Winona Ryder) and Betelgeuse (Michael Keaton).
The Wedding: Goth-tastic. Lydia's folks are pinioned to macabre moving chairs, the vicar's a pint-sized ghoul, and the ring has to be ripped off a cadaverous finger.
If They Get Divorced: Had the wedding been finalised, this would surely have been a case of 'til undeath do us part.
Honeymoon In Vegas (1992)
The Happy Couple: Jack Singer (Nicolas Cage) and Betsy (Sarah Jessica Parker).
The Wedding: Delayed, then nearly usurped, by gambler Tommy Korman's (James Caan) attempts to woo Betsy. Looks like Jack's gonna need a troupe of Flying Elvises to sort this one out.
If They Get Divorced: They'll be lonesome tonight.
The Princess Bride (1987)
The (Un)Happy Couple: Buttercup (Robin Wright) and Prince Humperdinck (Chris Sarandon).
The Wedding: An impressive medieval affair, but rather lop-sided. Humperdinck’s in such a hurry he has the priest (Peter Cook) skip to the end, but Buttercup doesn’t want to get hitched at all.
If They Get Divorced: Oops, she didn’t say "I do," and that technicality won’t be remedied.
The Wedding Singer (1998)
The Happy Couple: Mr and Mrs Harold Veltri (Paul Thiele and Phyllis Alia).
The Wedding: Seamless, until Harold’s brother Dave (Steve Buscemi) takes to the stage for a drunken best man’s speech, eventually grabbing a guitar from Robbie Hart’s (Adam Sandler) band.
If They Get Divorced: It’s just a matter of Harold’s new bride checking whether the Veltri boys really did pay for those prostitutes in Puerto Rico.
My Best Friends Wedding (1997)
The Happy Couple: Michael O’Neal (Dermot Mulroney) and Kimberly Wallace (Cameron Diaz).
The Wedding: Under siege from Michael’s old friend/ unrequited love Julianne Potter (Julia Roberts). Despite being maid of honour, she attempts tonsil-tennis with Michael on the morning of the ceremony, but true love wins through.
If They Get Divorced: It’ll be because Julianne keeps poking Michael on Facebook.
The Happy Couple: Princess Fiona (Cameron Diaz) and Lord Farquaad (John Lithgow).
The Wedding: A fairytale with a pretty twisted ending, as Farquaad is chomped by a dragon and Fiona is turned into an ogre by true love's kiss.
If They Get Divorced: They never actually get hitched, which is kind of a shame. The wedding night would certainly have been interesting.
My Big Fat Greek Wedding (2002)
The Happy Couple: Fotoula "Toula" Portokalou (Nia Vardalos) and Ian Miller (John Corbett).
The Wedding: Huge, as the Portokalous try to scare off Ian by putting on the full Greek works. However, Ian goes so far as to convert to Greek Orthodox to be part of it.
If They Get Divorced: Ian will never be able to leave the house without Toula’s family throwing plates at him.
Wedding Crashers (2005)
The Happy Couple: Jeremy Grey (Vince Vaughn) and Gloria Clearey (Isla Fisher).
The Wedding: Jeremy's past as a wedding crasher catches up with him when estranged best bud John (Owen Wilson) turns up to woo the bridesmaid, Gloria's sister Claire (Rachel McAdams) and starts a fight with her brutish beau Sack (Bradley Cooper).
If They Get Divorced: Jeremy would be ill-advised to try. Gloria looks all sweetness and light, but really she's nuts.
A Wedding (1978)
The Happy Couple: Dino Sloan Corelli (Desi Arnaz Jr) and ‘Muffin’ Brenner (Amy Stryker).
The Wedding: A meet-up between tacky organised crime and brash Southern new money. With 48 characters, Robert Altman's movie actually feels like being at a wedding, albeit one with death, affairs and the perils of trying to find a toilet.
If They Get Divorced: They’ll be lucky to make it to the honeymoon, given the number of skeletons tumbling out of closets – not least the revelation of who the groom’s been two-timing his new missus with.