Goldie Hawn's oldest two children Kate and Oliver Hudson haven't always had an easy relationship with their biological father, Bill Hudson.MORE: Goldie Hawn's grandson steals the show in fun family videoThe famous siblings refer to Goldie's long-time partner Kurt Russell as their 'Pa', and on Father's Day, Kate paid a heartwarming tribute to him on Instagram.Oliver followed suit, but also made reference to Bill, admitting that the older he is getting, the more alike he realises they are.
VIDEO: Kate Hudson left in hysterics by brother Oliver Hudson's appearance The father-of-three shared a poignant message on his social media page, which also featured a tongue-in-cheek reference to his potential father, Warren Beatty.SEE: Goldie Hawn's.
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