Katherine Jackson -- Save The Wrong Date
Katherine Jackson says she's going to the MJ tribute concert in Vienna on the 29th -- only problem, the show's on the 26th.
![](https://imagez.tmz.com/image/f7/16by9/2011/12/16/f72027832db7525b92fbb170ca3d0e40_md.jpg)
As TMZ first reported, the family isn't happy about the show and nobody except Jermaine was planning on attending -- but now it looks like Katherine drank the Kool-Aid and will go, granted someone tells her the correct date.
We'll see if she actually makes it ...