Kaley Cuoco stuns in a shimmering gown as she leads celebs at heart benefit in memory of her late TV dad John Ritter

Kaley Cuoco led a cavalcade of celebrities at a glamorous Los Angeles heart health benefit in memory of her late TV dad John Ritter.

John played Kaley's father on the sitcom 8 Simple Rules For Dating My Teenage Daughter – until his shock death of an aortic dissection in 2003, aged just 54.

Over the years Kaley, 38, has reflected movingly on the close bond she shared with John and the shattering grief she experienced when he died.

Now she has lent her showbiz luster to An Evening From The Heart LA, a fundraising gala thrown for The John Ritter Foundation For Aortic Health.

She hit the black carpet in a shimmering smock-like dress that was tantalizingly sheer over the matching slip she had on underneath.

Kaley Cuoco led a cavalcade of celebrities at a glamorous Los Angeles heart health benefit in memory of her late TV dad John Ritter

Kaley Cuoco led a cavalcade of celebrities at a glamorous Los Angeles heart health benefit in memory of her late TV dad John Ritter

Now she has lent her showbiz luster to An Evening From The Heart LA, a fundraising gala thrown for The John Ritter Foundation For Aortic Health

 Now she has lent her showbiz luster to An Evening From The Heart LA, a fundraising gala thrown for The John Ritter Foundation For Aortic Health

John played Kaley's father on 8 Simple Rules For Dating My Teenage Daughter - until his shock death of an aortic dissection in 2003, aged just 54; pictured on the show in 2002

John played Kaley's father on 8 Simple Rules For Dating My Teenage Daughter – until his shock death of an aortic dissection in 2003, aged just 54; pictured on the show in 2002

Kaley was furnished with a bit of family support that evening, sharing an embrace in front of the cameras with her younger sister Briana, 35.

The family resemblance between the two of them was on full display as they treated the photographers to their similar smiles.

Briana, who clashed her sumptuous dark hair against a white turtleneck top and a powder pink miniskirt, draped an arm warmly over her sister's shoulders.

Kaley also enjoyed a warm red carpet moment with John's widow Amy Yasbeck, who was married to him from 1999 until his death.

Amy, who was a sitcom star in the 1990s on Wings, lent the affair a splash of showbiz dazzle in a purple sequined dress that complemented her orange curls.

John and Amy's dashing son Tyler Ritter, 39, who has followed his parents into the acting profession, was also on hand for the star-studded affair.

He could be seen gathering together with his mother and Kaley for a few group shots in which he flashed his megawatt smile, bringing back memories of his father.

The elegant gala was a family affair, as Amy and Tyler were also seen squatting to be photographed with John's brother Tom Ritter, who attended the fete in a wheelchair.

Kaley was furnished with a bit of family support that evening, sharing an embrace in front of the cameras with her younger sister Briana, 35

Kaley was furnished with a bit of family support that evening, sharing an embrace in front of the cameras with her younger sister Briana, 35

The family resemblance between the two of them was on full display as they treated the photographers to their similar smiles

The family resemblance between the two of them was on full display as they treated the photographers to their similar smiles

Briana, who clashed her sumptuous dark hair against a white turtleneck top and a powder pink miniskirt, draped an arm warmly over her sister's shoulders

Briana, who clashed her sumptuous dark hair against a white turtleneck top and a powder pink miniskirt, draped an arm warmly over her sister's shoulders

Kaley also enjoyed a warm red carpet moment with John's widow Amy Yasbeck, who was married to him from 1999 until his death

Kaley also enjoyed a warm red carpet moment with John's widow Amy Yasbeck, who was married to him from 1999 until his death

John and Amy's dashing son Tyler Ritter, 39, who has followed his parents into the acting profession, was also on hand for the star-studded affair

John and Amy's dashing son Tyler Ritter, 39, who has followed his parents into the acting profession, was also on hand for the star-studded affair

He could be seen gathering together with his mother and Kaley for a few group shots in which he flashed his megawatt smile, bringing back memories of his father

He could be seen gathering together with his mother and Kaley for a few group shots in which he flashed his megawatt smile, bringing back memories of his father

Amy, who was a sitcom star in the 1990s on Wings, lent the affair a splash of showbiz dazzle in a purple sequined dress that complemented her orange curls

Amy, who was a sitcom star in the 1990s on Wings, lent the affair a splash of showbiz dazzle in a purple sequined dress that complemented her orange curls

The elegant gala was a family affair, as Amy and Tyler were also seen squatting to be photographed with John's brother Tom Ritter, who attended the fete in a wheelchair

The elegant gala was a family affair, as Amy and Tyler were also seen squatting to be photographed with John's brother Tom Ritter, who attended the fete in a wheelchair

Thursday's beano also provided an opportunity for a red carpet reunion between John's old Three's Company co-stars Joyce DeWitt (right), 75, and Priscilla Barnes (left), 69

Thursday's beano also provided an opportunity for a red carpet reunion between John's old Three's Company co-stars Joyce DeWitt (right), 75, and Priscilla Barnes (left), 69

John first became a star in the 1970s with his Emmy-winning role on Three's Company amid a cast that included blonde bombshell Suzanne Somers

John first became a star in the 1970s with his Emmy-winning role on Three's Company amid a cast that included blonde bombshell Suzanne Somers

While attending the Evening From The Heart gala, Joyce and Priscilla also cozied up to Tyler to take a couple of photographs

While attending the Evening From The Heart gala, Joyce and Priscilla also cozied up to Tyler to take a couple of photographs

Meanwhile, Amy got in a bit of posing with (from left) The Bold And The Beautiful actresses Heather Tom, Ashley Jones and Katherine Kelly Lang

Meanwhile, Amy got in a bit of posing with (from left) The Bold And The Beautiful actresses Heather Tom, Ashley Jones and Katherine Kelly Lang

Katherine served up a generous helping of cleavage in a plunging brown number

Heather rocked a fashionably asymmetrical little black dress

Katherine (left) served up a generous helping of cleavage in a plunging brown number, while Heather (right) rocked a fashionably asymmetrical little black dress

Amy was also able to reunite with Cary Elwes, who co-starred with her in Mel Brooks' beloved comedy classic Robin Hood: Men In Tights in 1993

Amy was also able to reunite with Cary Elwes, who co-starred with her in Mel Brooks' beloved comedy classic Robin Hood: Men In Tights in 1993

Thursday's beano also provided an opportunity for a red carpet reunion between John's old Three's Company co-stars Joyce DeWitt, 75, and Priscilla Barnes, 69.

John first became a star in the 1970s with his Emmy-winning role on Three's Company amid a cast that included blonde bombshell Suzanne Somers. 

While attending the Evening From The Heart gala, Joyce and Priscilla also cozied up to Tyler to take a couple of photographs. 

Meanwhile, Amy got in a bit of posing with The Bold And The Beautiful actresses Heather Tom, Ashley Jones and Katherine Kelly Lang.

Katherine served up a generous helping of cleavage in a plunging brown number, while Heather rocked a fashionably asymmetrical little black dress.

Amy was also able to reunite with Cary Elwes, who co-starred with her in Mel Brooks' beloved comedy classic Robin Hood: Men In Tights in 1993.

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