A lightweight, very formulaic late-2000s rom-com that mostly works on star chemistry, broad comic energy, and the fake-marriage setup. It’s easy to watch and occasionally charming, but the humor is hit-or-miss and the plot leans hard on convenience and cliché.
What Happens in Vegas
Where to watch: Buy
Movie · Comedy · Romance
Wed · 1h 39m
Director: Tom Vaughan
Starring: Cameron Diaz, Ashton Kutcher, Rob Corddry
Overview
During a wild vacation in Las Vegas, career woman Joy McNally and playboy Jack Fuller come to the sober realization that they have married each other after a night of drunken abandon. They are then compelled, for legal reasons, to live life as a couple for a limited period of time. At stake is a large amount of money.
Director
Tom Vaughan
Cast
Cameron Diaz, Ashton Kutcher, Rob Corddry
Curator Review
Verdict
A lightweight, very formulaic late-2000s rom-com that mostly works on star chemistry, broad comic energy, and the fake-marriage setup. It’s easy to watch and occasionally charming, but the humor is hit-or-miss and the plot leans hard on convenience and cliché.
Best for
fans of breezy, low-stakes romantic comedies
viewers who enjoy fake-marriage or forced-proximity setups
people in the mood for a predictable comfort watch
audiences who like glossy 2000s studio rom-coms
Skip if
you want sharp writing or genuinely fresh romantic comedy ideas
you dislike broad, silly humor and contrived plotting
you prefer grounded relationship drama over escapist fluff
you are tired of mid-2000s rom-com formulas
Overview
What Happens in Vegas is exactly the kind of studio rom-com that knows its lane and stays in it: loud, glossy, and built around a premise that only works if you don’t think about it too hard. The fake-marriage hook gives it enough momentum to keep things moving, and the movie gets by on the easy chemistry between its leads more than on any real narrative sophistication.
Worth noting
The comedy is broad and often obvious, but that’s also part of its appeal if you’re in the mood for something unserious. It plays like a time capsule of late-2000s romantic comedy habits: fast banter, exaggerated set pieces, and a lot of “will they or won’t they” mechanics stretched to the edge of plausibility.
Bottom line
It’s not a standout of the genre, but it is a serviceable comfort watch for viewers who like their romances frothy and their conflicts temporary. If you want a smarter or more emotionally layered rom-com, look elsewhere; if you want a disposable but pleasant one-night watch, this does the job.
Top Letterboxd reviews
flor 🪲 (3★) · 2318 likes
enemies to drunk friends to married couple to enemies to friends to divorced couple to (soon to be) married couple
𝚝𝚛𝚒𝚗𝚒 (3★) · 1478 likes
fake dating trope supremacy idec how predictable or dumb they make em i will eat em up every 👏🏼 time 👏🏼