Roxy Jacenko's new hairdo

Emma Shepherd

PR guru Roxy Jacenko took to her Instagram to post a video with her two children Pixie, six, and Hunter, three, to raise awareness for people who have cancer.

The Toni & Guy ambassador showed off her pink locks for a good cause. Watch video above.

Roxy dyed her hair pink in light of breast cancer awareness. Source: Instagram

The mother-of-two let fans know if they donated $30 to a Toni & Guy hairdresser, they can have dry styling services or wash and blow dry with proceeds going to the cancer organisation.

She posted a video with her two children explaining what the cause was and how to donate. Source: Instagram

* Roxy Jacenko reveals new breast lump scare

It comes after the 37-year-old appeared on Channel Nine's Today Extra on Tuesday morning with hosts David Campbell and Sonia Kruger to discuss the dying of her hair for cancer awareness but it wasn't her hair which grabbed the attention of the hosts.

She showed off her giant Nicholas Haywood sparkler which cost a whopping $450,000 during her segment on the show.

She showed off her engagement ring whihc was worth a whopping $450,000. Source: TODAY

David closely inspected the ring saying, "There is a rock on the finger here. Can I have a look at that for a sec?".

The hosts joked about the size of the ring. Source: TODAY

And Sonia joked: "It's got its own postcode!".

She shared a selfie to her Instagram with her pink hair to support breast cancer awareness. Source: Instagram

It was back in July that Roxy announced on Instagram that she and husband Olivier has proposed for a second time.

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