Taryn Manning can't seem to keep her clothes on ... the "Orange Is the New Black" star gave a quick striptease at a private event in Palm Springs, and we have the video.

Watch the clip ... the 47-year-old actress slowly pulls down her strapless dress, wearing it as a skirt, during what appears to be a fashion show in a private living room Tuesday night.

Peering through aviator shades, she cupped her bare breasts in her hands while scanning the room ... before strutting off to applause.

We're told the occasion was for the Canada Loves Palm Springs: A Celebration of Art, Fashion & Friendship event in California, which is a vendor show from sustainable clothing studio Lennard Taylor. Play video content

This is just the latest risqué video from Taryn ... Monday, she posted one on Instag

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