Kristy Hinze-Clark welcomes baby number two!

Kristy and her husband Jim Clark have welcomed their second daughter. Photo: Getty Images

Aussie model Kristy Hinze has welcomed a second daughter, Harper, with her billionaire husband, Jim Clark.

The 34-year-old took to social media to announce the exciting news, posting a sweet snap of her with her two daughters on Facebook.

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The model turned philanthropist also took to twitter, writing: "Elated to announce the birth of our 2nd daughter Harper. August 19, 2014 we are happy and healthy and completely in love."

Kristy and her 70-year-old Netscape founder husband are already parents to three-year-old daughter Dylan Vivienne.

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The couple, who announced their pregnancy back in February, were in New York for the birth and were joined by Kristy’s parents, Vivienne and Rod.

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