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The newly divorced Luann de Lesseps stepped out as Diana Ross on Wednesday’s premiere of “The Real Housewives of New York,” marking her first appearance on the series following her summer split from Tom D’Agostino after seven months of marriage.

Wearing a white jumpsuit and a sky-high wig, de Lesseps’ look at co-star Dorinda Medley’s Halloween party raised a few eyebrows from castmates because of what appears to be darker makeup on her skin.

“I’m Diana Ross because she’s fabulous,” de Lesseps proclaimed during her confessional interview. “Tom is not in tow, so I’m feeling liberated. It’s been a while since I’ve felt my girl power.”

Castmate Carole Radziwill, however, found de Lesseps’ ensemble “disrespectful.”

“Something’s a little off about Luann’s costume,” Radziwill, 54, told the cameras.

“I think she’s tone-deaf when it comes to cultural stereotypes. She’s generally tone-deaf anyway,” she added.

Bethenny Frankel had her own choice words.

“Luann’s got the balls of a burglar,” she said. “You’ve gotta give it to her. She gives zero f—ks, well, I take that back.”

Before the show’s premiere on Wednesday, she addressed the controversy.

“I had makeup on, but not anything that would make me look– I had like, tanning cream on,” de Lesseps told ET. “I think that the tanning cream, and the big hair piece I have, which was amazing… I was doing my version of Diana Ross.”

While she added she “wasn’t at all worried” about how her look might be interpreted, she did offer an apology.

“I was being an impersonator for Halloween. I didn’t mean to offend anyone by being Diana Ross for Halloween, it just didn’t even kind of enter my mind … I wasn’t at all worried about that, and all of a sudden it became a thing,” she said.

“I’m so sorry. I don’t want it to be a thing, so I apologize if I have offended.”

De Lesseps offered up a second apology on Wednesday’s episode of “Watch What Happens Live.”

“I never meant to hurt anybody’s feelings. I love Diana Ross and I totally respect Diana Ross,” de Lesseps said.

She also addressed the controversy surrounding the color of her skin.

“I had bronzer on, that I wear normally, like the rest of my skin — I’m tan right now,” she noted. “So I didn’t add anything, or try to ever, ever dream of doing a blackface, ever.”

De Lesseps is coming off a rough few months. Following the dissolution of her marriage in August, the “Money Can’t Buy You Class” crooner was arrested in December for disorderly intoxication and assaulting a cop in Palm Beach, Fla. She later checked into treatment.

A rep for de Lesseps did not immediately return our request for comment.

“The Real Housewives of New York” airs Wednesdays at 9 p.m. on Bravo.