The winners of Love Island 2019 - and the losers - all stand to cash in.
Ovie Soko & India Reynolds finished in third and Curtis Pritchard & Maura Higgins ended the series in 4th place.
As the winning couple, the pair got to play for the £50,000 prize fund. Caroline revealed two sealed envelopes, explaining that one had £0 inside and the other the full £50,000.
Amber & Greg then each had to select an envelope, with Amber ending up with £0 and Greg the £50,000 prize.
Caroline put Greg to the test as he was told he could either keep the £50,000 for himself or share it half and half with Amber.
"Of course I'm going to share!" said Greg without hesitation.
But they - and their fellow finalists - are set to make so much more.
A source told The Sun newspaper that Amber could easily be a millionaire "within six months".
They shared: "She'll sign a £250,000 clothing line deal within the week. After that she'll have hair and make up brands banging down her door wanting her to be their new face.
"Amber is a strong, independent woman and represents everything that big brand companies are looking for right now."
Other contestants are also set to cash in with sponsored social media posts, modelling deals personal appearances.
It's claimed that Tommy Fury already has £100,000 worth of appearances lined up following the final, with fees of £10,000 an hour.
Even Sherif Lanre, who left the villa, is reportedly able to command £5,000 for an appearance.
Meanwhile, with over 2 million followers on Instagram thanks to the show, Molly-Mae could make up to £7,200 for a single post on social media.
Love Island will return to ITV for a sixth season in January with its first ever winter series.
The show will also continue to air its usual summer season next year.