That is not Lady GaGa’s mom.
Lady Gaga’s mother is the same age as me.
We were both 13 in 1968 when that episode was first aired.
That is not a 13 year old girl.
That is an actress by the name of Angelique Pettyjohn who died in 1992.
https://en.wikipedia.org/wiki/Angelique_Pettyjohn
I think Al was being sarcastic based on the outfit, big hair and a quasi resemblance.
oh stfu it was a frickin joke you should now better