The winning couple will decide whether they want to split the Love Island prize money of £50,000.
So, when is the Love Island 2021 final? And how will it work?
Here's everything you need to know about the final, and how you can get involved.
When is the Love Island 2021 final?
CONFIRMED: The Love Island final will take place on ITV2 on Monday, 23rd August at 9pm.
The show confirmed the 2021 final date in a tweet advertising a competition to win tickets to a final screening party on August 23rd.
The last episode usually shows the final days in the villa for the remaining four couples.
This often involves a Love Island prom where all contestants learn a dance routine (which they usually mess up), write some poetry or speeches, and get dolled up, before declaring their love for one another.
Viewers will also get a chance to vote for their favourite couple via Love Island app ahead of the final.
It comes after the final dates on the show, which in the past has included fancy, yacht trips, a day at the Safari, and even a La La Land themed dinner date.
The live final then sees the show's host Laura Whitmore revealing which couple have come in fourth, third and second place before announcing our Love Island winners.
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Who will be in the Love Island 2021 final?
It's way too early to say.
New episodes of Love Island are on ITV2 everyday except Saturdays. If you want to know more, here is how to watch Love Island. For more info check out Instagram, Twitter, TikTok and Facebook. While you’re waiting, check out more of our Entertainment coverage or visit our TV Guide to see what’s on tonight.