Farrah Abraham honored the memory of her ex-boyfriend Derek Underwood on Instagram.

The mother-of-one shared an emotional post to honor the 13th anniversary of Underwood's death.

Underwood died in a tragic car accident shortly before Abraham gave birth to their daughter.

Abraham shared various pictures of Underwood's gravestone alongside a touching message in the sweet post.

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The reality TV star described the late teenager as the "love of her life" in her passionate message.

Abraham rose to fame by documenting her story on the "16 and Pregnant" show.

She was also featured on the show's spinoffs, "Teen Mom" and "Teen Mom OG."

The TV personality new show "Teen Mom: Family Reunion" will premiere in 2022.

Abraham claimed she was "physically attacked" by some cast members.