As of my last update in October 2023, there isn't an artist named "Stephanie Joanne" widely recognized. However, the name may refer to Lady Gaga, whose real name is Stefani Joanne Angelina Germanotta. If that's the case, Lady Gaga's net worth has fluctuated over the years but was estimated to be around $320 million as of 2023, due to her successful career in music, acting, and various business ventures.
If you're referring to a different artist,