"Tessa will treasure that time forever," Ryan said. "They had barbecues, ladies' lunches and sat out in the sun together."
Ryan said the tragedy had come as a "huge shock".
"She was a fun-loving girl and she loved parties but she would never do anything stupid. It was a terrible, terrible accident," she said.
More than 100 attended her funeral. "It was a beautiful service filled with a lot of laughter and a lot of love. "
As a nod to Lianne's love of animals, guests donated to the SPCA instead of bringing flowers. Lianne had a horse, Ruby, grazing near her home in Whenuapai, west of Auckland. It was being cared for by friends.