The 24-year-old publicly confirmed the break up on Friday, posting a message for Simon Saran in honour of National Ex Day.
Alongside an old picture of the couple kissing, she wrote: "Happy #NationalExDay to the best ex haha remember this moment
Simon had appeared alongside Farrah on Teen Mom OG, the latest reality show from MTV that caught up with the original Teen Mom stars a few years down the line.
He had met Farrah's daughter Sophia.
It's thought Simon was Farrah's first serious relationship since Sophia's father Derek Underwood, who was tragically killed in a car accident before Sophia was born.
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