Best star snaps of the week: Lizzo, Laura Dern, Reese Witherspoon celebrate

Lizzo, Laura Dern and Reese Witherspoon get in the holiday spirit.

NY Post photo composite

WINTER WONDER: Lizzo releases a snowy snap to promote her new cover of Stevie Wonder's "Someday at Christmas."

Lizzo / Instagram

TINSEL TWINS: Laura Dern and Reese Witherspoon make the Yuletide glamorous with a glittery tree and get-ups to match.

Reese Witherspoon / Instagram

ALL REVVED UP: Salma Hayek congratulates bestie Penelope Cruz for her role as Laura Ferrari in the new biopic.

Salmahayek/Instagram

REIN-Y DAYS: Shaun White and Nina Dobrev horse around on a photo shoot in Aspen, Colo.

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LEATHER & LACE?: Goths can be sweet too! Demi Lovato announces she's engaged to musician Jutes.

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FLAG ON THE PLAY: Unnecessary sweetness! David Beckham pulls an illegal soccer move to show love to his daughter, Harper, 12, after lunch at Sadelle's downtown.

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POP ARTISTS: Beyoncé strikes a pose in front of a wall of Andy Warhol portraits at the Grill in Midtown.

Beyoncé / Instagram

NEW YORK FRIENDS OF MINE: At his Madison Square Garden show, Billy Joel and wife Alexis Roderick (left) welcome filmmakers Greta Gerwig and Noah Baumbach -- who just tied the knot at City Hall.

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FUTURE'S BRIGHT: Gwyneth Paltrow defies her 51 years and looks an abs-olute vision in Cabo San Lucas, Mexico.

HEM / BACKGRID

YACHTS TO SEE HERE: Jeff Bezos and fiancée Lauren Sanchez tour St. Barts before getting back on his supersize boat.

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COURT SESSION: Travis Scott (in sunglasses), artist-designer KAWS (second from right) and pals look on as the Knicks trounce the Nets at the Barclays Center on Wednesday night.

Noah K. Murray-NY Post

CALIFORNIA EATIN': Kim Kardashian (left) and Kendall Jenner sport a Balenciaga-branded shopping bag from the uber-high-end grocery store Erewhon in LA.

Kim Kardashian / Instagram

SPLASH, PLUS MOUNTAINS: From Piwakawaka Point Estate in New Zealand, Rita Ora sends her warmest regards.

Rita Ora / Instagram

HOLD 'EM: TikTok superstar Alix Earle stakes her claim at a Miami casino to celebrate turning 23.

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FLUFF 'N' PUFF: Rihanna rocks her new Fenty x Puma "Creeper Phatty" kicks at NeueHouse Hollywood.

Jojo Korsh/BFA.com

FAMILY PRIDE: Dakota Fanning (left) turns up to support sister Elle on the opening night of her Broadway play "Appropriate."

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