The 25-year-old Pasella presenter and the 39-year-old Visser were married two years ago in a "fairy tale" wedding in Stellenbosch, Western Cape.
The model's spokesman, Andrew Farr, said yesterday: "I can confirm that they are getting divorced, but I can't say anything more at this stage. It is very amicable and they are still friends."
After a whirlwind courtship of only four months, Visser popped the question while on holiday with Van der Westhuizen in Italy in January 2007.
Big Brother 1 winner Ferdinand Rabie, whose former wife, Colene, is Visser's sister, said he knew what the couple were going through.
"See how all her previous relationships went - just sit with a calculator," he said.
The Sports Illustrated swimwear model famously dated Proteas captain Graeme Smith in an on-again, off-again relationship before pairing with singer Pieter Smith for two months. After that she took up with Visser, whom she described as an "old friend".
The Library, the restaurant in Stellenbosch that the couple started together, closed its doors earlier this year.
On her website, Van der Westhuizen had gushed: "Probably in about two years, and if all goes well, we'd like to have three children."
If Visser misses the sound of his soon-to-be-former wife's voice, he can always buy the Garmin GPS software released this week, which features her voice giving drivers directions.
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