Gabby McLennan was one of five teenagers killed when a ute crashed at Buxton on September 6.
Family and friends gathered at Leppington Chapel today to celebrate her life.
Two other victims of the crash, Tyrese Bechard and Lily Van de Putte, were both farewelled at funerals earlier this week.
While Summer Williams and Antonio Desisto will be laid to rest on Monday.
The community has continued to rally around the families after the shock fatal crash.
Today the Wollondilly community car show raised funds for the relatives of the five young people.
Finer Detail Industries’ Jack Moss said while the funds “can’t ever bring anyone back” it can “help with a bit of financial stress”.
Antonio’s father Exaven Desisto, who was at the car show today, told 9News the death of his son was “still hard” to come to terms with.
“I still have to go to my son’s funeral,” he said.