(CNN) This will be Lauren London's first Father's Day without Nipsey Hussle, her boyfriend and the father of her child .

London posted an emotional tribute to him Sunday on Instagram:

"One of the reasons I fell in Love with You.... Your Fatherhood

Today we celebrate You

Love you Ermias"

The post included a picture of her, Nipsey and their son together.

She posted the same picture on her Instagram story with the caption: "Happy Father's Day to The Great."

London, a model and actress, and Nipsey had been together for five years at the time of his death.

Aside from their son, Kross, they also formed a tight-knit family with Hussle's daughter from a previous relationship and London's son, Cameron Carter, by rapper Lil Wayne.