Alessandra Ambrosio looks runway-ready at the annual Race to Erase MS gala in Los Angeles

Alessandra Ambrosio sizzled on the red carpet Friday night at the annual Race To Erase MS gala in Los Angeles.

The supermodel, 42, rocked the night in a sexy black dress with a cropped bust and a daring thigh-high slit in one leg.

She strutted around in sky-high heels that added inches to her already statuesque frame.

The brunette beauty let her hair fall in beach waves and she smoked out her eyes with black eye shadow.

She coated her lips in nude gloss and sculpted her face with luminous bronzer.

She kept accessories to a minimum with shimmering earrings, a diamond tennis bracelet and eye-catching rings.

Alessandra smoldered for the cameras as she worked on the event’s minimalist step-and-repeat.

She was carrying a trendy hardshell clutch.

The Brazilian beauty took her mother Lucilda Ambrosio to the event.

Vanderpump Rules star Scheana Shay wowed in a brown velvet dress with a pair of matching opera gloves.

The stunner wore her brunette hair in a glam updo and she rocked a bold cat eyeliner.

She accessorized with dazzling diamond earrings.

Ashlee Simpson looked angelic in a strapless white dress that contrasted against her sun-kissed glow.

The singer’s auburn hair fell down her back and she wore glittering jewels.

She was accompanied by her husband Evan Ross.

Diana Ross’ son rocked a black suit with a beige tie blouse.

Evan and Ashlee married in 2014 and share daughter Jagger Snow Ross and son Ziggy Blu Ross.

Holly Robinson Peete looked pretty in a pastel pink look complete with a cropped jacket and floral print dress.

Katie Cassidy showed off her legs in a white mini dress and black strappy heels.

Denise Richards stunned in a vibrant orange crossover dress that showed off her killer figure.

She was accompanied by her handsome husband Aaron Phypers.

The duo – who married in 2018 – couldn’t keep their hands off each other on the red carpet.

AnnaLynne McCord teased her tight midriff in a stylish black co-ord.

The actress let her thick blonde hair fall in straight locks over her back as she beamed at shutterbugs.

Gigi Gorgeous showed off her sculpted arms in a sleeveless blue satin dress that wowed onlookers.

Kathy Hilton was cozy with her husband Richard Hilton on the red carpet.

The Real Housewives of Beverly Hills star looked chic in a perfectly tailored black suit embroidered with ivory flowers on the jacket.

Last but not least was Cheryl Burke, who impressed with a blue one-shoulder look that flattered her hourglass figure.

The Dancing With The Stars alumnus rocked straight, golden blonde hair with fierce bangs for the annual event.