LuAnn de Lesseps takes to the stage in two revealing outfits at A Very Countess Christmas show in LA

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LuAnn de Lesseps has been welcoming in the holiday season with the gift of song. The reality star - who will soon be back on TV with a new spin off with Sonja Morgan -wrapped up a three night appearance Saturday at the El Rey Theater in Los Angeles in her holiday show billed as A Very Countess Christmas.The 57-year-old, who kept her title after divorcing her first husband, Count Alexandre de Lesseps, took to the stage to sing her versions of holiday standards in two eye-catching looks.

Diamonds: LuAnn de Lesseps, 57, kicked off her A Very Countess Christmas show in LA wearing an n electric blue sequined suit trimmed with feathers and a huge diamond choker The Real Housewives of New York City star kicked off the night in an electric blue sequined suit trimmed with feathers and nothing beneath the plunging neckline of the jacket.

Instead of a top, the reality star donned a huge diamond choker which cascaded down her décolleté.The cabaret star went with a second even sexier look for the second part of the show, stepping into a curve hugging strapless silver gown with a plunging neckline and a hip high slit showcasing her toned legs.

Sexy: The cabaret star went with a second even sexier look for the second part of the show, stepping into a curve hugging strapless silver gown with a plunging neckline and a hip high slit Glamor: The What Do I Want For Christmas singer poured on the 50s style glamor, singing songs such as Santa Baby with white opera gloves, and diamond bracelets on each arm The What Do I Want For Christmas singer poured on the 50s style glamor, singing songs such as Santa Baby with white opera gloves, diamond bracelets on each arm and a more subtle diamond necklace.