The Victoria's Secret Angel and her businessman beau got engaged in 2008 after three years of dating. They have two children together -- 5-year-old daughter Anja and 1-year-old son Noah.
Ambrosio this week shot down tabloid reports claiming she and Mazur have been living apart.
"We're all good," she told E! News. "It's all tabloids."
Puzzle-maker slips 'Murdoch Is Evil' into Rupert Murdoch's Sunday Telegraph
Wisconsin business offering 'therapeutic cuddling' forced to close