Tahnee Sims pays tribute to Bondi junction stabbing victim Dawn ...

Tahnee Sims — the longtime girlfriend of the late Johnny Ruffo — has posted a gut-wrenching tribute to a victim of the terrifying stabbing attack in Sydney on Saturday.

Dawn Singleton, the daughter of millionaire businessman John Singleton, was shopping for make-up for her wedding to a NSW police officer before she was killed in the Bondi Junction massacre.

It is understood the 25-year-old was to marry her childhood sweetheart Ashley Wildley before she was attacked by Joel Cauchi in a stabbing frenzy.

Her fiance was reportedly called to Bondi Junction after he finished his shift on Saturday as the chaos unfolded.

Friends of Ms Singleton posted tributes on social media on Sunday remembering her as a ‘kind’ person who ‘lit up every room’ she walked into.

Australian fashion brand White Fox Boutique said it not only lost an employee but someone ‘who felt like a family member’.

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Longtime girlfriend of late Perth-raised star Johnny Ruffo, Tahnee Sims, reposted White Fox’s Instagram story adding the caption ‘Rest in peace beautiful girl. The sweetest soul.’

Ruffo passed away on November 10, after a long fight with brain cancer, triggering an outpouring of grief across Australia for the former singer and Home and Away actor.

The pair dated for eight years and in March Tahnee shared a sweet birthday tribute to her ‘angel boy’ reflecting on their unbreakable bond.