Credit: Stefan/INFphoto.com

Star Magazine is still trying to sell us the story that Lindsay Lohan is broke as a joke.

The actress, who hasn’t starred in a major motion picture since the 2007 stinker I Know Who Killed Me, was left humiliated after she came up empty at the cash register and couldn’t pay for a manicure she’d received at Lanny Nails in Los Angeles last month.

Another star-strucked customer footed the bill — plus tip — on Lindsay’s benefit, but the incident has been the talk of the upscale nailbar ever since.

“It was embarrassing for everyone involved,” a shop spywitness blabbed to Star this week. “I mean who leaves the house without a few bucks on a credit card?”