Sigourney Weaver was the belle of the ball at the London premiere of her new film, Avatar: Fire and Ash , alongside a slew of impeccably-dressed stars like Penny Lancaster and Sabrina Elba .

The 76-year-old looked ethereal in a black velvet gown with long sleeves, and added delicate silver dangly earrings to complete her outfit. Her signature red locks were elegantly styled into a chic bob.

© WireImage Sigourney wowed in a chic velvet gown

Sigourney kept her makeup natural with a pink lip, pink blush and a swipe of black eyeliner.

Fire and Ash is the third film in James Cameron 's Avatar franchise, following 2009's Avatar and 2022's Avatar: The Way of Water . Join HELLO! as we discover who were the best-dressed stars of the night.

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