The post has since had thousands of comments, with people praising the pair's costume as "iconic."
However, one male commenter decided to take it upon himself to berate Fox for her grooming habits.
"All that money and she can’t but a razor,” the troll commented. “She’s now off my ‘list.'”
Fox hit back at a commenter who criticised her for not shaving, as she noted it was actually her tattooInstagram/meganfox
But Fox wasn't having any of it and decided to shut the troll down with her reply.
“Are you mistakenly referring to my tattoo?” she wrote in response pointing out their mistake and then sarcastically added: “Either way I’m devastated to be off your list. Was hoping you’d wife me.”
Fox's reply has since received over 13,000 likes as many praised the actor for defending herself.
One person wrote: "That’s haters. They can’t find anything bad so they become creative with bulls****."
"As if Megan Fox would give two s–ts about being off your list. She’s a queen. Get a reality check,” another said. “Oh and by the way, it’s 2022, if she wanted a hairy vag who cares!! But it’s blatantly a tattoo so jokes on you.”
Someone else added: "Imagine caring what another woman does with her body.
This wasn't the only costume Fox and Machine Gun Kelly wore for Halloween, as the couple also dressed up as Pamela Anderson and Tommy Lee.
They were also accused of "mocking" Christianity when the rapper wore a priest costume, while Fox was dressed in lingerie.
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