Age-defying beauty! Actress Sigrid Thornton, 59, cuts a youthful figure at the 2019 Australian Open

Age-defying beauty! Sigrid Thornton, 59, cuts a youthful figure in sensational all-white ensemble while attending the 2019 Australian Open

It has been 21 years since she made her debut as Laura Gibson on hit ABC drama, SeaChange.

And Sigrid Thornton appears to have defied her years while making an appearance at the 2019 Australian Open on Monday.

Clad in a dazzling all-white ensemble, the 59-year-old had all eyes glued to her as she posed up a storm amid stunning city views.

Age-defying beauty! Sigrid Thornton (pictured), 59, cut a youthful figure in this sensational all-white ensemble while attending the 2019 Australian Open on Monday

Sigrid opted for a long-sleeve silk top that was lavishly embellished with lace at the décolletage and hand cuffs.

The stunning actress teamed the attire with a matching pair of trousers, cinched at the waist with silk band.

She completed the chic look with block-heeled nude mules and accessorised with a dainty golden necklace.  

Having a laugh! Sigrid opted for this long-sleeve silk top that was lavishly embellished with lace at the décolletage and hand cuffs

Having a laugh! Sigrid opted for this long-sleeve silk top that was lavishly embellished with lace at the décolletage and hand cuffs

Flawless: For a touch of femininity, Sigrid wore this glamorous makeup look consisting of dewy foundation, rosy pink cheeks, neutral eye shadow and a mauve pout

Flawless: For a touch of femininity, Sigrid wore this glamorous makeup look consisting of dewy foundation, rosy pink cheeks, neutral eye shadow and a mauve pout

Sigrid’s brunette locks were styled in loose curls and pulled back away from her face.

For a touch of femininity, Sigrid wore a glamorous makeup look consisting of dewy foundation, rosy pink cheeks, neutral eye shadow and a mauve pout.  

Sigrid was joined by actress Tess Haubrich, who also stepped out in style. 

Red hot! Sigrid was joined by actress Tess Haubrich (pictured), who also stepped out in style

Red hot! Sigrid was joined by actress Tess Haubrich (pictured), who also stepped out in style

Just a glimpse: The 28-year-old beauty wore this strapless body-con dress for the occasion, adorned with an open back

Just a glimpse: The 28-year-old beauty wore this strapless body-con dress for the occasion, adorned with an open back

The 28-year-old beauty wore a strapless body-con dress for the occasion, adorned with an open back.

She accessorised the look with a pair of tan sandals, a silver anklet and silver-plated studs.

Tess enhanced her glowing visage with a natural makeup look and styled her short chestnut bob in tousled waves. 

Simply sensational: Tess enhanced her glowing visage with a natural makeup look and styled her short chestnut bob in tousled waves

Simply sensational: Tess enhanced her glowing visage with a natural makeup look and styled her short chestnut bob in tousled waves

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