While Erica Mena of VH1's Love & Hip Hop New York prepares to say her "I Dos" to CSI: Cyber actor Bow Wow, it looks like her ex-girlfriend Cyn Santana and her new arch nemesis Chrissy Crastanda have joined forces.

WATCH: Erica Mena Slams Ex Rich Dollaz For Not Taking Care Of Children 'I've Never Seen It'

Viewers saw Crastanda and Santana meet up on the hit reality show as Crastanda revealed Mena's past as an escort for her business (something that Mena still maintains she had no part of). But it looks like their newfound friendship lasted much longer than that particular scene.

She shared a collage of pictures via Instagram on Dec. 17. One of them featured her standing alongside Crastanda at a special event to raise awareness on suicide prevention.

She wrote, "HUGE thank you to @Primeone16 for providing their services. I cannot thank you and your team enough! Your food was absolutely AMAZING!!! Your service was great. I give you guys 5 STARS!"

Even though Santana and Crastanda might have paired up for a good cause outside of their issues with Mena, fans took to the picture to share their dismay on the two being close with one another at all.

One wrote, "U a snake. U know Erica don't like Chrissy, and yo dumb a-- gone take a pic with her. But I still luv u tho" as another added, "Cyn I have the utmost respect for you, but you didn't have to take a picture with the lady."

Another fan could not help but laugh and added, "And now cyn is hanging when Chrissy... I can't deal lol".

Viewers witnessed Crastanda and Mena's feud turn physical when Crastanda attacked her.

Check it out.

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See how all of the drama plays out. Love & Hip Hop New York airs Mondays at 8/7c on VH1. Mena and Bow Wow are currently planning to wed this spring.

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Erica Mena Bow Wow, Bow Wow Erica Mena, Bow Wow Erica Mena Engaged