Melissa Doyle stunned onlookers on Friday night as she stepped out with her lookalike daughter Natalia Grace Dunlop at the Theatre Royal Sydney.

The mother-daughter duo led arrivals for the opening night of the 40th anniversary Australian tour of the iconic musical Cats on King Street. 

Natalia, 21, looked to be the mirror image of her famous mother as she walked the black carpet in a form-fitting fiery red dress.

The former Sunrise star, 55, slipped into a $695 Acler gown for the occasion, which featured an A-line cut and gold embellishments. 

Both Melissa and Natalia left their long blonde tresses down, with the TV star sporting a side part while her daughter opted for a middle part.

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Melissa Doyle, 55, stunned onlookers on Friday night as she stepped out with her lookalike daughter Natalia Grace Dunlop, 21, at the Theatre Royal Sydney

The mother-daughter duo led arrivals for the opening night of the 40th anniversary Australian tour of the iconic musical Cats on King Street

Dr Kate Adams followed close behind in a bright yellow giraffe print frock.

The Bondi Vet star, 42, flaunted her wealth as she poured her figure into the Alex Perry dress, which retails for $4,310.

Dr Kate kept her accessories light, opting for a few gold rings on her fingers.

She then added a soft wave to her gold tresses and slicked on some bronzed eye-shadow with a matching lip.

Marcia Hines dazzled in a black and white jumpsuit.

The Australian Idol judge looked decades younger than her 71 years as she made her arrival.

Leaving her curly black tresses down, the singer accessorised with several pieces of colourful jewellery, including a red bracelet. 

She finished her look with a pair of black flats and a baby blue manicure.  

Dr Kate Adams, 42, followed close behind in a bright yellow giraffe print frock

The Bondi Vet star flaunted her wealth as she poured her figure into the Alex Perry dress, which retails for $4,310

Marcia Hines, 71, dazzled in a black and white jumpsuit

The Australian Idol judge looked decades younger than her 71 years as she made her arrival

Mitch Edwards and Mark McKie looked every inch the loved up couple on the evening with their matching looks.

Mitch, 61, opted for a gold satin blouse beneath his black suit, while Mark, 62, slipped into a red and black shirt. 

Nasser Sultan and Karla Grant also appeared to be going strong in their blossoming romance.

The former Married At First Sight star, 58, opted for a black suit and tie for the occasion, while the SBS journalist, 58, wore black leather slacks and a grey coat. 

Mitch Edwards, 61, (left) and Mark McKie, 62, (right) looked every inch the loved up couple on the evening with their matching looks

Mitch opted for a gold satin blouse beneath his black suit, while Mark slipped into a red and black shirt

Nasser Sultan and Karla Grant, both 58, also appeared to be going strong in their blossoming romance

The former Married At First Sight star opted for a black suit and tie for the occasion, while the SBS journalist wore black leather slacks and a grey coat