Apparently, there was an urban legend (though I never heard it) that Barbara Streisand came to the Temple of Doom
set dressed like a dominatrix and whipped Harrison Ford while saying things like, "This is for Hanover Street
" and "This is for all the money you're going to make on Return of the Jedi" and such.
Well, they found footage
It's hard to see and hear, unfortunately, but it appears to be legit. There is a transcript on the site.
Also, Carrie Fisher pops in toward the end. And Irvin Kirshner. And Barbara Streisand craps on perhaps her biggest group of fans.