Hollywood stars returned to the Beverly Hilton Hotel to mark the unofficial start of awards season at the 81st Golden Globe Awards Sunday.

Taylor Swift shimmered on the red carpet wearing a green Gucci dress with a pair of Christian Louboutin heels. The billionaire "Cruel Summer" singer is nominated for her "The Eras Tour" film.

Florence Pugh dared to bare in a see-through Valentino gown with a full skirt made of sheer tulle fabric.

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Taylor Swift joins Florence Pugh and Heidi Klum at Golden Globes

Florence Pugh, Taylor Swift and Heidi Klum were red hot for the Golden Globes Sunday. (Getty Images)

Selena Gomez shined wearing a red satin dress adorned with black floral appliques on each cut-out across her chest. The Golden Globe nominee wore her dark brown hair tied back into a chic bun and she accessorized with sparkling diamond bracelets and rings.

Heidi Klum sported a sparkling red strapless gown with a thigh-high slit, while Julia Garner opted for a sparkling silver sequined number with a plunging neckline.

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Julianne Moore took a cue from the red playbook with her own red strapless gown.

Taylor Swift walks Golden Globes red carpet

Taylor Swift shimmered wearing a green glittering dress at the Golden Globes. (Getty Images)

Heidi Klum golden globes red carpet

Heidi Klum showed some leg wearing a strapless red gown with a massive skirt. (Getty Images)

Julianne Moore walks red carpet at Golden Globes

Julianne Moore caught the red memo with a sweeping strapless number. (Getty Images)

Selena Gomez strikes a pose at the Golden Globes

Selena Gomez was ravishing in red at the Golden Globes. (Getty Images)

Margot Robbie sports pink sequins at Golden Globes

Margot Robbie exuded Barbie vibes in a pink sequined gown. (Getty Images)

Jennifer Aniston showed off her toned arms in a classic black strapless gown, and appeared to bring back her signature "Rachel" haircut from "Friends."

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"Yellowstone" star Kevin Costner, who missed last year's show due to flooding in is hometown, sported a black tuxedo.

Reese Witherspoon rocked a black gown with an ornate pink strap. She tied back half of her dark blonde hair, and showed off a thick diamond choker necklace.

Margot Robbie exuded Barbie vibes while walking the red carpet in a sparkling pink number with a matching tulle boa.

Jennifer Aniston sports black strapless dress at Golden Globes

Jennifer Aniston strikes a pose on Golden Globes red carpet. (Getty Images)

Reese Witherspoon Golden Globes

Reese Witherspoon rocked a black gown with an ornate pink strap. (Getty Images)

Kevin Costner sports black tuxedo at Golden Globes

Kevin Costner looked dapper wearing a black tux with a bow tie.  (Getty Images)

Jennifer Lawrence Golden Globes black dress

Jennifer Lawrence slicked her bright blonde hair to the side. (Getty Images)

Rosamund Pike walks Golden Globes red carpet wearing black lace

Rosamund Pike wore a black headpiece to hide injuries from a ski accident. (Getty Images)

Jennifer Lopez wore a custom pink Nicole + Felicia couture gown with a matching floral coat. She stepped out wearing Christian Louboutin heels, and carried a Judith Leiber clutch.

Dame Helen Mirren rocked a vibrant purple dress with a matching coat featuring billowing sleeves. Mirren is nominated for her role in the Taylor Sheridan series, "1923."

Jennifer Lawrence wore a long black Dior gown with a plunging neckline to show off a dazzling diamond necklace with matching earrings.

Greta Gerwig’s "Barbie," which earned more than $1 billion at the box office, received nominations for best comedy or musical, best director, best actress for Margot Robbie, best supporting actor for Ryan Gosling, and three original song nominations.

Jennifer Lopez pink coat Golden Globes

Jennifer Lopez opted for old Hollywood glamour in a strapless pink number which included a matching floral coat. (Getty Images)

Natalie Portman glittering dress at Golden Globes

Natalie Portman wore a strappy sparkling gown with an ombre pattern. (Getty Images)

Helen Mirren at the globes

Dame Helen Mirren is nominated for her role in "1923." (Getty Images)

Julia Garner

Julia Garner rocked a sparkling sequined number on the red carpet. (Getty Images)

Oprah Winfrey, Ben Affleck, Matt Damon, America Ferrera, Florence Pugh, Natalie Portman, Will Ferrell, Kristen Wiig and Kevin Costner were just a few of the presenters at the ceremony.

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