Dame Joan Collins has taken to Instagram to share a rare family photo in honour of her late sister's birthday.MORE: Dame Joan Collins poses for very rare photo with youngest daughterJackie Collins sadly passed away in 2015 at the age of 77 after battling breast cancer.
Six years on, her older sibling paid a loving tribute to the novelist on her social media.WATCH: Joan Collins proudly introduces family members as she marks birthdayJoan, 88, posted a photo showing her and Jackie with their rarely-seen brother Bill - a property agent.
Read more on hellomagazine.com