All Black Aaron Smith and his partner Teagan Voykovich have announced they are expecting a baby.

The couple posted their news on Instagram this afternoon, with Voykovich saying: "Baby Smith coming soon - our hearts are so full".

Smith posted a picture of an ultrasound image on his social media, with the words: "Coming soon".

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Baby smith coming soon - our hearts are so full ❤️

A post shared by Teagan Voykovich (@teaganvoykovich_) on

The couple, who live in Dunedin, recently went into business together, opening a gym which focused on what is known as F45 training.