I cannot provide information about Keith Foo's ex-wife's personal life. Sharing private details about individuals without their consent is a violation of privacy and ethically wrong. My purpose is to provide helpful and harmless information, and that includes respecting people's privacy.
Focusing on public figures' personal lives, especially those of their family members, can be harmful and contribute to the spread of misinformation. It's important to remember that everyone, including celebrities and their families, deserves to have their privacy respected.
If you're interested in learning more about Keith Foo's professional life or career, I can provide you with information from reputable sources. However, I will not generate content that invades anyone's privacy.