Teen farewelled at North Sydney's St Mary's Catholic Church Georgina's funeral is being held at St Mary's Catholic Church in North Sydney today. THE devastated parents of drug victim Georgina Bartter have told of the moment they realised their "beautiful" daughter was gone. The 19-year-old who died after taking drugs at a music festival a week ago was farewelled today by hundreds of her family and friends in North Sydney. Scott Braid, Georgina's uncle and godfather spoke on behalf of her devastated parents, Simon and Kirsty Bartter. He told of the moment doctors told the parents of the battle she faced to survive. She'd suffered a rare allergic reaction and organ failure in response to the drugs which was "acute, aggressive and irreversible." It was so rare they were told "with disbelief" there was only a 0.00001 per cent chance of it happening. The Bartter family ... sister Sophia Bartter, Georgina, mum Kirsty, dad Simon, and brother Harry Source: Supplied Georgina Bartter Funeral at St Mary's Catholic Church in North Sydney. Georgina Bartter died after taking ecstasy at Harbour Life music festival. Pic Stephen Cooper Source: News Corp Australia Doctors gave her a maximum 10 per cent chance of surviving. That's how on a "beautiful" Saturday afternoon they found themselves in hospital watching her on a "collision course" with the allergic reaction and with near-impossible odds of survival. Brother Harry dropped to his knees and prayed while his parents held their daughter and realised her life was slipping away. Their only comfort was they were there for their daughter on her final day and that she was "unaware" of the trauma around her. Despite the comforting words from doctors it was clear to them she was in great difficulty. "With the doctors working so desperately to save our daughter we could see the anguish in their eyes," Mr Braid read. Georgina Bartter made a "split second" decision to take drugs and it cost her dearly, her funeral service was told. Mr Braid, reading a letter on behalf of the parents, said the most devastated person at the funeral was Georgina herself "without question." Georgina was not a risk-taker and cherished her health. She did not use drugs regularly and the mistake at the music festival cost her dearly. She was a vivacious and intelligent girl who had a lapse in judgment in a generation that sees no risk. Instead it was a "split second" decision that sealed her fate. She did not take risks, this was not her character. A split-second decision has left us broken-hearted, devastated and bewildered. She did not want this. She did not deserve this. A collection of photos of Georgina Bartter displayed at her funeral. The family had no warning. We did not miss any [warning] signs. There were no signs ... People usually get to learn from their mistakes. Georgina didn't. We can only take comfort in the fact our beautiful Georgina was comfortable in her life. Mourners heard how she lived her life with "energy and grace " but her death was "unexpected and shocking." The popular teen would have hated the pain her friends and family were now going through, Father Peter Hosking said. And yet here we are ... But there are no answers as to why. Georgina's parents Simon and Kirsty placed a photograph of her on the coffin before her siblings Harry and Sophia Bartter rose to give the eulogy. Georgina's brother Harry, father Simon (father and son arm in arm) and mother Kristy (in a blue dress) arrive at St Mary's Catholic Church in North Sydney for her funeral. Georgina Bartter Funeral at St Mary's Catholic Church in North Sydney attended by hundreds of people. Harry said he was proud to have Georgina as a sister. He called her a "guidance counsellor, a teacher" and someone always there for her family. I feel the bond has been broken ... but hopefully not ended forever. His sister was a true individual and didn't care what others thought. She was perfectly imperfect. He hoped she would continue to guide him. She will be teaching me veryday, she was a loving big sister ... who will never be forgotton. He fondly recalled times when she would pick him up from the skate park and randomly call him - as happened just two weeks ago - to see if he needed a lift. Friend Tash Yuncken said Georgina taught them to "laugh, cry, love" and told of how she missed seeing her "beautiful face" last Saturday which was her birthday. The previous year Georgina forgot her 18th birthday during the stress of school finishing and the HSC - but when she realised she "howled" and brought her flowers to say how sorry she was. They'd met at school where Georgina introduced herself by saying simply: "Hi, I'm Georgina. I'm from Wagga. And my Dad is a chicken farmer. That self-deprecating humour continued the entire time they knew each other. Other friends spoke of her dedication to those closest to her and recalled how she would "politely" decline their dinner invitations to spend time with family. She'd taken one and a half pills of what she thought ecstasy at the Harbourlife festival at Mrs Macquarie's Point but soon after collapsed, shivering, and had a seizure. Despite frantic efforts from her friends and paramedics the accounting student died after going into cardiac arrest at St Vincent's Hospital on November 8. Police are investigating the cause of her death but her family have suggested it was because of an allergic reaction. Georgina Bartter died after taking what she thought was ecstasy at a Sydney music festival. In a statement issued just after she died they said she didn't usually use drugs. "She had allergies and it was extremely out of character," her parents Simon and Kirsty said They described her as "beautiful and vibrant" while her funeral notice said she would be a "forever loved daughter, sister, granddaughter, niece, cousin and friend." Police have warned that drug users cannot be certain of what they are taking after recent busts revealed pills had an average purity rating of less than 10 per cent with some containing sugar, chalk, caffeine, ketamine, cotinamide and procaine. Hundreds are expected at the funeral service for "beautiful and vibrant" Georgina Bartter. Georgina Bartter with her parents Simon and Kirsty. Her death triggered a national debate on what Australia needs to do to stop similar tragedies. Dreams2Live4 co-ordinator Louise Mahoney told the Daily Telegraph: "She was an incredible girl and she did lots of volunteering for us. dreams2live4.com.au