Five-time Grammy winner Christina ‘Xtina’ Aguilera served musical guest duties on Monday’s episode of Late Night with Seth Meyers from the comfort of her $10M Mulholland Estates mansion.

The platinum-blonde pop diva – turning the big 4-0 this Friday – wore a sexy body chain beneath her plaid pantsuit and sky-high stilettos selected by stylist Dani Levi.

Christina – who boasts 55.3M social media follower – shared BTS snaps of her look including a waist-length high ponytail extension fastened by hairstylist Iggy Rosales.

Christina Aguilera stuns in a plaid, Christmas colored suit

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Her Christmas décor! Five-time Grammy winner Christina ‘Xtina’ Aguilera served musical guest duties on Monday’s episode of Late Night with Seth Meyers from the comfort of her $10M Mulholland Estates mansion

Aguilera’s fully-contoured complexion and Rokael Beauty lashes were applied by make-up artist Etienne Ortega, and her pink manicure was painted by nail artist Chaun Legend.

The former Mouseketeer performed a cover of Robert Wells & Mel Tormé’s 1945 chestnut The Christmas Song, which was featured on her 2000 holiday album My Kind of Christmas.

Christina last used her unmistakable four-octave soprano pipes on the track, Loyal Brave True, for the Mulan soundtrack on March 6.

However, Aguilera hasn’t released a full-blown record since her eighth studio album, Liberation, back in 2018.

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Sipping: The platinum-blonde pop diva – turning the big 4-0 this Friday – wore a sexy bodychain beneath her plaid pantsuit and sky-high stilettos selected by stylist Dani Levi

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Ariana who? Christina shared BTS footage of her look including a waist-length high ponytail extension fastened by hairstylist Iggy Rosales

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Ready for her close-up! Aguilera’s fully-contoured complexion and Rokael Beauty lashes were applied by make-up artist Etienne Ortega

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’20 years!’ The former Mouseketeer performed a cover of the 1945 chestnut The Christmas Song, which was featured on her 2000 holiday album My Kind of Christmas

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‘Tonight!’ It was Christina’s second time on the NBC chat show – which also featured 12-time Grammy-winning country trio, The Chicks

It was the Staten Island-born, half-Ecuadorian belter’s second time on the NBC chat show – which also featured 12-time Grammy-winning country trio, The Chicks.

On the personal front, Christina has two children – son Max, 12; and daughter Summer, 6 – with ex-husband Jordan Bratman and her Burlesque PA-turned-fiancé Matthew Rutler.

There’s still no date set for Aguilera’s long-awaited nuptials to the 35-year-old MasterClass investor, who popped the question way back on Feburary 14, 2014.

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2019 family portrait: On the personal front, Aguilera has two children – son Max, 12; and daughter Summer, 6 – with ex-husband Jordan Bratman and her Burlesque PA-turned-fiancé Matthew Rutler (R)

Christina Aguilera celebrates daughter Summer’s sixth birthday

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