De Lesseps is premiering the song on Watch What Happens Live
Credit: Mathieu Young/Bravo

The songstress who blessed us with “Money Can’t Buy You Class” is back with a brand new single.

Real Housewives of New York City star LuAnn de Lesseps – a.k.a. the Countess – is debuting her “much funkier” dance jam “Girl Code (Don’t Be So Uncool)” on Watch What Happens Live on Tuesday at 11 p.m. ET.

De Lesseps says it’s about a betrayal during the ladies’ disastrous trip to Turks and Caicos – and her upcoming admonishment that her gal pals “be cool. Don’t be all, like, uncool.”

“I really felt violated, so that really inspired me to do the song,” she told E! Online, adding that the title refers to those times “when friends who you think are friends don’t really turn out to be friends, and they break that certain girl code.”

Yikes. Though tensions between de Lesseps, 50, and Carole Radziwill have been boiling over this season, the singer says “Girl Code” isn’t a dig at the author.

RELATED VIDEO: Exclusive: 3 Tips to Throwing a RHONY Style Party

“There are certain lines you don’t cross, so it has to do with a couple of women on the show,” she said. “It’s not about Carole. Ultimately, she’s kind of included but no, no, no. This is much worse.”

Without further ado, here’s a sampling of the lyrics:

Don’t be so uncool
You broke the girl code
I gotta let you go
I’m just doing me
You broke the girl code
So don’t be so uncool
I gotta let you go

Something tells us her cast mates won’t be filming cameos for the music video, a la “Chic, C’est La Vie.”

airs Tuesdays (9 p.m. ET) on Bravo.