Kaley Cuoco and handsome husband Karl Cook lead the stars at the Big Bang Theory series finale party

They were honored with a hand and footprint ceremony at the TCL Chinese Theater in Hollywood on Wednesday morning.

And by the evening, the cast of The Big Bang Theory celebrated in style, by dressing up for the cast and crew series finale party in Pasadena, California.   

Star Kaley Cuoco and her dapper husband Karl Cook lead the stars on display in matching black ensembles. 

Twins: Kaley Cuoco and her dapper husband Karl Cook lead the stars on display for the Big Bang Theory series finale party in matching black ensembles

Twins: Kaley Cuoco and her dapper husband Karl Cook lead the stars on display for the Big Bang Theory series finale party in matching black ensembles

The actress who plays Penny on the TV hit went braless beneath a tuxedo jacket with side cutouts, and paired with black wide leg pants.

Kaley's straight blonde hair cascaded across her shoulders.

The Californian native kept her accessories on brand with a purse adorned with stars and planets.

Her equestrian husband Karl looked sharp in a tuxedo of his own. 

Peep show: The actress who plays Penny on the TV hit went braless beneath a tuxedo jacket with side cutouts, and paired with black wide leg pants

Peep show: The actress who plays Penny on the TV hit went braless beneath a tuxedo jacket with side cutouts, and paired with black wide leg pants

Themed: The Californian native kept her accessories on brand with a purse adorned with stars and planets
Kaley's straight blonde hair cascaded across her shoulders

Themed: The Californian native kept her accessories on brand with a purse adorned with stars and planets

Kaley's co-star Jim Parsons was unmissable in a pink jacket and tie as he took to the red carpet.

The 46-year-old actor, who plays Sheldon Cooper in the hit CBS comedy, paired the distinctive upper half of his attire with basic gray trousers.

He complete the look with heavy framed glasses. 

Think pink! Kaley's co-star Jim Parsons was unmissable in a pink jacket and tie as he took to the red carpet

Think pink! Kaley's co-star Jim Parsons was unmissable in a pink jacket and tie as he took to the red carpet

Mind the (age) gap: Star Johnny Galeki, 43, showed up with his 21-year-old girlfriend Alaina Meyer on his arm

Mind the (age) gap: Star Johnny Galeki, 43, showed up with his 21-year-old girlfriend Alaina Meyer on his arm

Photogenic: Kunal Nayyar and wife Neha Kapur lit up the red carpet

Photogenic: Kunal Nayyar and wife Neha Kapur lit up the red carpet

Actress Mayim Bialik showed off her specs appeal with a pair of wire frame glasses at the star-studded event.

The stylish eyewear overshadowed her simple wraparound black dress paired with basic pumps.

Not unlike her booksmart character Amy on The Big Bang Theory, Mayim has a real-life doctorate in neuroscience. 

Nerdy chic: Actress Mayim Bialik showed off her specs appeal with a pair of wire frame glasses at the star-studded event

Nerdy chic: Actress Mayim Bialik showed off her specs appeal with a pair of wire frame glasses at the star-studded event

Roseanne star: Actress Sara Gilbert kept things smart casual in  jeans and a velvet jacket

Roseanne star: Actress Sara Gilbert kept things smart casual in  jeans and a velvet jacket

Pretty in pink: Lauren Lupkus also attended the party, held at The Langham Huntington in Pasadena, CA

Pretty in pink: Lauren Lupkus also attended the party, held at The Langham Huntington in Pasadena, CA

Love and marriage: Simon Helberg and his wife of 12 years Jocelyn Towne posed up a storm on the red carpet

Love and marriage: Simon Helberg and his wife of 12 years Jocelyn Towne posed up a storm on the red carpet

Taking the plunge: Laura Spencer dropped jaws in a little black dress that showed plenty of the redhead's cleavage

Taking the plunge: Laura Spencer dropped jaws in a little black dress that showed plenty of the redhead's cleavage

Dazzler: Melissa Rauch glittered in a shimmering black dress that contrasted with her blonde mane

Dazzler: Melissa Rauch glittered in a shimmering black dress that contrasted with her blonde mane

TV legend: Newhart star Bob Newhart, 89, looked sharp in a blue blazer over a white shirt worn sans tie

TV legend: Newhart star Bob Newhart, 89, looked sharp in a blue blazer over a white shirt worn sans tie

A flares for fashion: Courtney Henggeler was unmissable in a pair of distinctive wide legged pants

A flares for fashion: Courtney Henggeler was unmissable in a pair of distinctive wide legged pants

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Kaley Cuoco and handsome husband Karl Cook lead the stars at the Big Bang Theory series finale party

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