Farrah, 28, shared the video of Sophia on her Instagram Story just days after that Cate and Tyler have been hit with over $800,000 in tax debt.
She wrote: "@Sophialabraham Proud of you being educated in fifth grade on taxes!
"Unlike some others on @teenmom @mtv."
The Sun revealed on Monday that , 28, and , 28, were slapped with a federal tax lien for $535,010.97 on November 19, 2019 for the 2016 and 2017 years.
The couple received another federal tax lien in the amount of $321,789.06 on December 16, 2019 for the 2018 year.
A clerk for the Michigan court confirmed to The Sun that both liens remain unpaid.
Cate and Tyler, also received a federal tax lien in the amount of $36,422 on July 2, 2019.
The clerk confirmed the debt was paid off.
According to the Teen Mom OG cast members make $25,000 an episode, bringing their salary well into six figures per season back in 2018.
The couple also owns a children’s clothing brand called Tierra Reign.
They share two daughters, Nova and Vaeda.
Farrah was one of the main women on with Cate before she was let go in October 2017.
Prior to her being fired due to her involvement in the adult entertainment industry, Farrah and the other OG girls - Cate, and - didn't get along.
After many fights that were caught on-camera, Farrah refused to join the ladies on the same stage during the reunion specials.
In April 2019, a source close to Farrah revealed that she would return to the series.