Kaley Cuoco sparkles alongside sister Briana on the red carpet for The Flight Attendant season 2 premiere
Posted by  badge Boss on Apr 13
Kaley enjoyed the event with her sister and co-star, Briana (Picture: Getty/REX)

sparkled alongside sister Briana at the season 2 premiere of in LA on Tuesday night.

The former Big Bang Theory star, who nabbed an Emmy nomination for her turn in the first season as alcoholic airline stewardess Cassie Bowden, who gets caught up in major criminal intrigue, opted for a simple but stunning floor-length black gown with a sparkling bodice and pleated skirt with navy and black tulle overlay.

She wore her blonde hair loose in waves and accessorised with dark nails and a few silver rings, otherwise letting her elegant dress do all the talking.

has promised plenty of intrigue for Cassie as she stays sober as a CIA asset, but an identity crisis is sparked by her confronting different versions of herself.

Joined by many of the cast members on the hit HBO show, 36-year-old Kaley also posed with her real-life sister, Briana Cuoco, who portrays obsessive assistant Cecilia in the show.

Briana, 33, opted for a metallic green and black Dolce and Gabbana zebra-print mini dress with long sleeves and a high neck, which she matched perfectly with her green stud earrings.

Briana and Kaley posed together on the red carpet (Picture: Juan Rico/Backgrid)
Briana is Cecilia in the show and has appeared in other projects of Kaley’s (Picture: CraSH/imageSPACE/Rex/Shutterstock)
Zosia Mamet rocked a retro-style corset (Picture: Getty)

The actress, who has also worked on The Big Bang Theory and the DC animated series Harley Quinn with her sister, pulled er dark hair up into a sleek topknot and wore a pair of simple black strappy stilettos.

Other cast at the premiere included Zosia Mamet, who plays Cassie’s lawyer best friend Ani, Griffin Matthews, who plays flight attendant Shane, and TR Knight, who is Cassie’s brother Davey.

Former Girls star Zosia gave off vintage vibes in a black and white gingham corset with black trousers and towering platform heels.

Opting for delicate silver jewellery and black polish on her fingernails, Zosia’s peep-toe heels revealed a fun contrasting pedicure with white nail polish on one foot and black on the other.

Kaley posed with other co-stars, including a suave Griffin Matthews (Picture: Getty)
A group shot of the cast including Grey’s Anatomy’s TR Knight, far left (Picture: CraSH/imageSPACE/Rex/Shutterstock)
Kaley and Zosia with showrunner Steve Yockey inside the event (Picture: Phillip Faraone/FilmMagic for HBO)
The siblings are three years apart in age (Picture: Phillip Faraone/FilmMagic for HBO)

Giffin looked chic in a green and black printed three-piece suit with velvet contrast cuffs and lapels, which he paired with buckled black shoes.

Meanwhile TR Knight went for a classic, sharp look with a blue suit, crisp white shirt and navy patterned tie.

Sharon Stone is joining the cast for season two , joining returning actors Rosie Perez’s Megan and Deniz Akdeniz as Max, while Mae Martin has been cast as a guest star and was alongside Cassie in the trailer.

The first two episodes of the Flight Attendant Season 2 will premiere on HBO Max Thursday, April 21.