Tributes floated in from across the country, including from former prime minister Kevin Rudd. "You either liked her or you loved her, there was nothing in between".
"It is sad. There's probably thousands of kids who've already done this", he said.
Fighting back tears, he described Dolly as "kind, gentle and loving", a "happy go lucky" girl and a "pocket rocket" who loved animals. Turnbull, the prime minister, said society needs to do more to protect young people, although he didn't make any specific suggestions.
His daughter simply "saw the good in the world and the good in everybody she met", Tick said.
The family shared one of her recent drawings - a skinny figure bent over backwards under the words, "speak even if your voice shakes".
'This powerful message tells the dark, scary place our attractive angel had travelled to'.
'Out of all the sadness that the loss of our daughter has brought to our lives, we feel that through losing Dolly we would like to help other families by making an awareness of bullying and harassment that some people are sadly subject to. "We need young people to report it to a trusted adult".
Readers seeking support and information about suicide prevention can contact Lifeline on 13 11 14 or Kids Helpline on 1800 551 800.
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