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

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

The supermodel, 42, rocked the night in a sexy black gown with a bust cut-out and a daring thigh-high slit up one leg.

She paraded 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 eyeshadow.

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

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

The supermodel, 42, rocked the night in a sexy black gown with a bust cut-out and a daring thigh-high slit up one leg

Sizzling: Alessandra Ambrosio sizzled on the red carpet at the annual Race To Erase MS gala in Los Angeles on Friday night. The supermodel, 42, rocked the night in a sexy black gown with a bust cut-out and a daring thigh-high slit up one leg

The Brazilian beauty brought along her mother Lucilda Ambrosio to the event

The Brazilian beauty brought along her mother Lucilda Ambrosio to the event

She kept accessories to a minimum with sparkly drop earrings, a diamond tennis bracelet and statement rings.

Alessandra smoldered for the cameras while working the event’s minimalist step-and-repeat.

She carried a trendy hardshell clutch.

The Brazilian beauty brought along her mother Lucilda Ambrosio to the event.

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

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

She accessorized with dazzling diamond earrings.

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

The singer’s auburn hair flowed down her back and she sported sparkly jewels.

Velvet vixen: Vanderpump Rules star Scheana Shay wowed in a brown velvet gown with a pair of matching opera gloves

Velvet vixen: Vanderpump Rules star Scheana Shay wowed in a brown velvet gown with a pair of matching opera gloves

Glamour: The stunner wore her brunette hair in a glamorous updo and she rocked bold cat eyeliner; seen with Heidi D'Amelio

Glamour: The stunner wore her brunette hair in a glamorous updo and she rocked bold cat eyeliner; seen with Heidi D’Amelio

Angelic: Ashlee Simpson looked angelic in a strapless white gown that popped against her sun-kissed glow

Angelic: Ashlee Simpson looked angelic in a strapless white gown that popped against her sun-kissed glow

Hubby: She was joined by her husband Evan Ross

The son of Diana Ross rocked a black suit with a beige pussy bow blouse

Hubby: She was joined by her husband Evan Ross. The son of Diana Ross rocked a black suit with a beige pussy bow blouse

Auburn: The singer's auburn hair flowed down her back and she sported sparkly jewels

Auburn: The singer’s auburn hair flowed down her back and she sported sparkly jewels

She was joined by her husband Evan Ross. 

The son of Diana Ross rocked a black suit with a beige pussy bow blouse.

Evan and Ashlee wed 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 minidress and strappy black heels.

Denise Richards stunned in a vibrant orange criss-cross gown that showcased her killer figure.

She was joined by her hunky husband Aaron Phypers.

The duo — who wed in 2018 — couldn’t keep their hands off one another on the red carpet. 

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

The actress let her thick, blonde hair flow down her back in straight strand as she beamed for shutterbugs.

Gigi Gorgeous showcased her sculpted arms in a sleeveless blue satin gown that stunned onlookers.

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

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

Leggy: Katie Cassidy showed off her legs in a white minidress and strappy black heels

Leggy: Katie Cassidy showed off her legs in a white minidress and strappy black heels

Beauty: Denise Richards stunned in a vibrant orange criss-cross gown that showcased her killer figure

Beauty: Denise Richards stunned in a vibrant orange criss-cross gown that showcased her killer figure

Lovebirds:She was joined by her hunky husband Aaron Phypers

The duo ¿ who wed in 2018 ¿ couldn't keep their hands off one another on the red carpet

Lovebirds:She was joined by her hunky husband Aaron Phypers. The duo — who wed in 2018 — couldn’t keep their hands off one another on the red carpet

Sculpted: Gigi Gorgeous showcased her sculpted arms in a sleeveless blue satin gown that stunned onlookers

Sculpted: Gigi Gorgeous showcased her sculpted arms in a sleeveless blue satin gown that stunned onlookers

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

The actress let her thick, blonde hair flow down her back in straight strand as she beamed for shutterbugs

AnnaLynne McCord teased her toned midriff in a stylish black co-ord. The actress let her thick, blonde hair flow down her back in straight strand as she beamed for shutterbugs

Cozy: Kathy Hilton cozied up to her husband Richard Hilton on the red carpet

Cozy: Kathy Hilton cozied up to her husband Richard Hilton on the red carpet

Wow! Last but not least was Cheryl Burke, who wowed in a blue one-shoulder look that flattered her hourglass figure

Wow! Last but not least was Cheryl Burke, who wowed in a blue one-shoulder look that flattered her hourglass figure

Kathy Hilton cozied up to 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 wowed in a blue one-shoulder look that flattered her hourglass figure.

The Dancing With The Stars alum rocked straight, gold blonde hair with a fierce fringe for the annual event.

source: dailymail.co.uk