Leighton Meester posing on red carpet in Carolina Herrera sequined dress with wavy blonde hair

Leighton Meester made a dazzling return to the red carpet at the Los Angeles premiere of I Love LA, held at the Paramount Theatre on October 28, 2025. The actress, who makes a cameo in Rachel Sennott’s new HBO comedy series, brought classic allure with a modern twist — wearing a show-stopping black sequined gown by Carolina Herrera.

The dress, cut in a figure-hugging silhouette, featured a deep plunging neckline that extended to the midriff, giving the timeless shape an undeniably sultry edge. The sleeveless bodice and heart-shaped neckline channeled retro starlet energy reminiscent of Betty Boop, while the glossy sequins reflected the flash of cameras from every angle.

Leighton styled the look with a pair of black satin backless heels that elongated her frame and added to the gown’s sleek finish. Silver fan-shaped earrings by Anita Ko lent the look just the right amount of sparkle without overwhelming it. Her honey-blonde hair was blown out in soft, voluminous waves, completing the vintage-meets-modern aesthetic.

Her makeup mirrored the gown’s sophistication — radiant skin, bold lashes, and a rosy nude lip that tied together the effortless glamour. The entire look felt like a love letter to classic Hollywood, reimagined through a contemporary Carolina Herrera lens.

Leighton Meester Stuns in Plunging Black Gown at I Love LA Los Angeles Premiere

Leighton Meester wearing plunging black sequined Carolina Herrera dress at I Love LA premiere in Los Angeles