MGK and Megan Fox engagement reactions

Megan and MGK fans were invested in their engagement (Pictures: Getty/Instagram/meganfox)

As fans take in the news that Megan Fox and Machine Gun Kelly are engaged after 18 months of PDA-packed dating, many were rushing to congratulate the couple, including Megan's pal Kourtney Kardashian.

There's even already talk of a double wedding after Kourtney got engaged to fiancé Travis Barker in October, who has worked closely with friend MGK, in a similarly goth-vibe proposal.

Rapper and musician MGK, 31, got down on one knee and proposed to the former Transformers actress outside of the Spa Botanico at the Ritz-Carlton Dorado Beach in Puerto Rico on Tuesday.

An elated Megan, 35, said yes and posted video footage of the moment on Instagram, with the caption revealing the couple celebrated not by drinking champagne, but each other's blood – naturally.

Fans were invested both in the couple and the way the news was announced, with social media quickly filling with humorous reactions and hot takes.

Author Roxane Gay joked: 'Truly delighted that Megan Fox and MGK drank each other's blood upon their engagement. Finally, celebrities being harmlessly weird again.'

Megan Fox and MGK engaged

A screenshot of MGK proposing (Picture: Instagram/meganfox)

Making clear the reference in her initial comment to Angelina Jolie and Billy Bob Thornton, who were married from 2000 to 2003 and famously wore vials of each other's blood around their necks, she added: 'I'm 47. I remember Angelina and Billy Bob well. And if you think drinking blood is gross, don't do it! It's fine.'

Another picked up on the similarity too, writing: 'Angelina and Billy Bob walked so Megan Fox and MGK could run.'

One fan posted: 'megan fox and mgk are engaged our days are numbered before we have the real world version of this', sharing a promotional shot of Kristen Stewart and Robert Pattinson as Bella and Edward at their wedding ceremony in The Twilight Saga: Breaking Dawn – Part 1, bloodied and standing on a pile of their dead relatives.

Others were all about the Kardashian link, with one sharing a picture of Kim Kardashian with her older sister Kourtney, dressed in black latex and with clip-in fringes, joking: 'Kim and Kourt at MGK and Megan Fox's wedding.'

MGK's striking black and white striped shirt also received a fair amount of attention, with fans comparing it to a Footlocker employee, as well as Tim Burton characters Jack Skellington in The Nightmare Before Christmas and Beetlejuice.

Megan announced the news with photos and video from the romantic proposal with the caption: 'In July of 2020 we sat under this banyan tree. We asked for magic. We were oblivious to the pain we would face together in such a short, frenetic period of time.

'Unaware of the work and sacrifices the relationship would require from us but intoxicated off of the love. And the karma.

'Somehow a year and a half later, having walked through hell together, and having laughed more than I ever imagined possible, he asked me to marry him.

'And just as in every lifetime before this one, and as in every lifetime that will follow it, I said yes…and then we drank each other's blood.'

The actress and rapper, real name Colson Baker, met while filming Midnight in the Switchgrass in March 2020. They were spotted spending time together in May that year, with Megan's ex-husband Brian Austin Green confirming that they had splitafter 10 years of marriage.

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