Hawn and Russel began dating in 1983. While never officially married, the couple have been together for over three decades and welcomed a son, Wyatt, in 1986.
While Hudson is Hawn's daughter from her marriage to musician Bill Hudson, the Almost Famous actress is estranged from her biological father, and has long referred to Russell --whom she grew up with -- as her dad.
"Growing up watching him work, he's such a pro and I think it was a great lesson for me when I was younger as to what kind of actress I wanted to be and the person on set I wanted to be," Hudson said. "I just love everything he's done." Check out the video below to hear more.