The actor, who is the daughter of Goldie Hawn, spoke out about the term in a new interview with The Independent.
The celebrity grandparents went all out for their granddaughter Rani's fourth birthday.
The actor, who is estranged from her biological father, was raised by mother Goldie Hawn and Russell.
For the "Overboard" couple, a marriage certificate "wasn’t going to create anything that otherwise we wouldn’t have," Russell said.
Kurt Russell as Santa Claus...
Except maybe Kurt Russel's cool Santa schtick.
"I keep looking at it and my brain just wants it to be true."
And why relationships should be like a rubber band.