NRL star Cameron Munster's new career move after mother-in-law's death

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NRL star Cameron Munster has made a heartwarming gesture after his long-time girlfriend's family were rocked by tragedy. 

The Melbourne Storm player's girlfriend Bianca McMahon's mother Maria recently lost her battle with cancer. 

Ms McMahon shared a close relationship with her mother, who she frequently honoured on Instagram, describing her as her 'rock'. 

© Provided by Daily MailNRL star Cameron Munster has become an ambassador for Ovarian Cancer Australia after his girlfriend Bianca McMahon  (pictured together) lost her mother to the illness

'Sadly, his partner's mum passed away recently from cancer and Cam wants to make a difference as an ambassador for Ovarian Cancer Australia,' his agent Shaun Pyne told the Courier Mail.  

The Maroons play maker enjoyed an incredible season in 2020, claiming the Wally Lewis Medal as State of Origin player of the series, as well as the Premiership with the Melbourne Storm. 

'Outstanding boys, I can't fault you guys,' Munster said after claiming the prestigious medal.

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'Thank you to Queensland and the fans, this one is for you guys.'

Munster, who has soared into the limelight since claiming the title, was captured on the broadcast jumping onto Maroons trainer Allan Langer's back and riding him like a horse in the dressing rooms after the win.

Munster spent time near Ms McMahon's family last year while in the NRL's quarantine bubble on the Sunshine Coast.   

© Provided by Daily MailMs McMahon shared a close relationship with her mother Maria  (pictured together last year, who she described as her 'rock'

'Luckily enough for me my partner's mum and dad live down the road,' he said last October. 

'So I was getting them to wash my clothes every week.'

After winning the Origin, Munster thanked his girlfriend of several years for her ongoing support. 

'Your support through everything this year has been second to none,' Munster posted on Instagram. 

'You have your own problems and you flush them down the drain just to hear me whinge about my performances each and every week, not only having to put up with me 10 hours a day, so thank you.'