Jessica Alba stuns in a sheer chiffon dress at Dior Couture show in ...

She celebrated her 38th birthday with her husband Cash Warren in western Morocco on Sunday. 

And Jessica Alba stole the show as she attended the Christian Dior Couture S/S20 Cruise Collection in Marrakesh's 16th century El Badi Palace on Monday.  

Joined by supermodel Karlie Kloss, 26, the actress caught the eye in a striking sheer chiffon khaki dress as the fashion designer lit up the city by candlelight. 

Bringing the glamour: Jessica Alba stole the show as she attended the Christian Dior Couture S/S20 Cruise Collection in Marrakesh's 16th century El Badi Palace on Monday

Bringing the glamour: Jessica Alba stole the show as she attended the Christian Dior Couture S/S20 Cruise Collection in Marrakesh's 16th century El Badi Palace on Monday

Jessica flashed a hint of her toned pins due to the semi-sheer panels in the patterned full-length gown. 

Cinching in her slender waist with a slim black belt, the Fantastic Four star added a boost to her leggy frame with black velour heels. 

She wore her brunette tresses in cascading curls, which fell over her shoulders and finished off her fashion forward look with a bronzed palette of make-up. 

Wow factor: Jessica was joined by supermodel Karlie Kloss, 26, turned up the heat as she opted to go braless in a black gown, which plunged down to her naval

Wow factor: Jessica was joined by supermodel Karlie Kloss, 26, turned up the heat as she opted to go braless in a black gown, which plunged down to her naval 

Stunning: Jessica flashed a hint of her toned pins due to the semi-sheer panels in the patterned full-length gown

Stunning: Jessica flashed a hint of her toned pins due to the semi-sheer panels in the patterned full-length gown

Karlie, meanwhile, turned up the heat as she opted to go braless in a black gown, which plunged down to her naval. 

Pairing the look with semi-sheer polka dot pointed court shoes, the entrepreneur looked like she meant business as she posed up a storm for photos. 

Also joining the Hollywood beauties, was music legend Diana Ross. 

Blonde-haired beauty: Pairing the look with semi-sheer polka dot pointed court shoes, Karlie looked like she meant business as she posed up a storm for photos

Blonde-haired beauty: Pairing the look with semi-sheer polka dot pointed court shoes, Karlie looked like she meant business as she posed up a storm for photos

Vision in black: She cinched in her waist with a Dior belt and paired it with a matching clutch bag

Vision in black: She cinched in her waist with a Dior belt

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