Max Key's first single as a professional DJ has reached a major milestone - topping Spotify.

Prime Minister John Key's son took to social media to celebrate the success of his song Forget You, which some have suggested is a reference to Amelia Finlayson, the girlfriend he split from at the beginning of the year.

https://itunes.apple.com/nz/album/forget-you-single/id1082667722

Posted by Max Key on Wednesday, February 24, 2016

The house-inspired dance track is available to stream through Spotify, or to purchase on iTunes for $2.39.

It was launched during his first-ever radio slot on Tuesday last week, before being released to the public in its entirety on Thursday.

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Writing on Facebook, Max Key thanked his followers for their support and asked them to listen and share the single.

"Today is finally the day. I'd like to give a massive Thank you firstly for all the love and support I've received over the last few weeks! All the kind messages and words have really been a driving force and motivation to get this done, and they all mean a lot to me," he wrote.

"The track is now live ... I'd love you all to give it a listen."

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It appears they heeded the message: Forget You made the New Zealand Viral 50 number-one slot on Spotify just one week later.

Once again, he used social media to make a shout-out to his loyal fans: "thank you so much everyone for the support," he wrote on Facebook.

- nzherald.co.nz