Jessica Simpson Gives NSFW Response to Christie Brinkley's Halloween Costume Praise

You will never believe what she said!

Did Jessica Simpson really just say that?

The star’s recent reaction to Christie Brinkley’s praise for her Halloween costume was totally hilarious, but so NSFW.
Simpson, 35, along with her husband, Eric Johnson, went with a National Lampoon’s Vacation theme this year for Halloween.

WATCH: Jessica Simpson Gets Groped by Her Hubby While Rocking Daisy Dukes

The singer looked sexy dressed as Brinkey from the 1998 classic film, while Johnson parted his hair and donned glasses to channel his inner Clark Griswold (Chevy Chase).

The adorable snap caught the attention of the supermodel, who shared a screen shot of the Instagram post along with a caption that read, "How cute is this? Our National Lampoon was lampooned to PERFECTION!"

Simpson, in turn, re-posted Brinkley’s praise on Monday, writing, "OMG @christiebrinkley you just made my husband cream his jeans!!! #nationallampoonsvacation."

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The fashion designer has never been shy when it comes to sharing on social media. Simpson turned heads in February after she posted a series of Fifty Shades of Grey-themed photos she titled “Fifty Shades of Johnson.”

In September, the mom of two was accused of being drunk on the Home Shopping Network while promoting her clothing line. this past September. Check out the video below to see what HSN president Bill Brand said in her defense about the appearance.