Pretty certain that photo is not of Shelley Duval. Similar looking, but may be a model/actress from 90s/00s.
https://www.qwant.com/?q=shelley+duvall&client=ext-firefox-sb&t=images
The actress depicted in the RIP meme is not Shelley Duvall. That picture is of Uma Thurman.
Shelley Duvall looks like Uma Thurman.