According to Reality Tea, Lisa first confirmed her divorce with Ed in August 2011, in a now-deleted tweet.

“Sadly, we are separated, but it would NEVER be over money. That is so far from the truth. I wish people would respect people’s privacy during times like these” she reportedly tweeted.

Source: https://www.distractify.com/p/why-did-lisa-wu-and-ed-hartwell-get-divorced