Jackie O serves up some chic court style as she hits the ball around with her tennis coach 

Jackie O looking good! Trimmed radio star serves up some tennis chic style as she swings the ball around with her tennis coach

She is known to have lost nearly 20 pounds as part of the recent glow-up.

And Jackie ‘O’ Henderson showed how she managed to lose weight when she hit the tennis court for a vigorous workout on Tuesday.

The KIIS FM star, 48, showed off her toned legs as she took to the court in a short skirt.

The mother-of-one paired the figure-flattering garment with a black long-sleeved top that crept up as she returned a serve, revealing a peek at Jackie’s toned midriff.

Henderson completed the outfit with a pair of white tennis shoes.

Jackie ‘O’ Henderson showed how she managed to achieve her recent weight loss when she hit the tennis court for a vigorous workout on Tuesday

The glamorous radio star wore her wavy blonde locks loose and wavy as she ran around the court.

She wore minimal makeup for the sweat session and a pair of simple gold earrings.

At one point, Jackie’s coach walked over to her side of the court to give her some tips for her groundstrokes.

Jackie is known to have lost nearly 20 pounds as part of the recent glow-up

Jackie is known to have lost nearly 20 pounds as part of the recent glow-up

The KIIS FM star, 48, showed off her toned legs as she took to the court in a short skirt

The KIIS FM star, 48, showed off her toned legs as she took to the court in a short skirt

The mother-of-one paired the flattering garment with a black long-sleeved top that crept up as she returned a serve and gave a peek at Jackie's toned midriff

The mother-of-one paired the flattering garment with a black long-sleeved top that crept up as she returned a serve and gave a peek at Jackie’s toned midriff

The glamorous radio star wore her wavy blonde locks loose and wavy as she ran around the court

Henderson completed the outfit with a pair of white tennis shoes

The glamorous radio star wore her wavy blonde locks loose and wavy as she ran around the court

Jackie recently lost an impressive 18kg in just a few months as part of a radical body transformation.

She revealed on The Kyle and Jackie O Show that she regularly skips breakfast, a practice known as intermittent fasting.

She also avoids carbs and satisfies her hunger throughout the day by snacking on pre-cut pieces of steak.

At one point, Jackie's coach walked over to her side of the field to give her some tips for her groundstrokes.

At one point, Jackie’s coach walked over to her side of the field to give her some tips for her groundstrokes.

She wore minimal makeup for the sweat session and a pair of simple gold earrings

She wore minimal makeup for the sweat session and a pair of simple gold earrings

Jackie recently lost an impressive 18kg in just a few months as part of a radical body transformation

Jackie recently lost an impressive 18kg in just a few months as part of a radical body transformation

She revealed on The Kyle and Jackie O Show that she regularly skips breakfast, a practice known as intermittent fasting

She revealed on The Kyle and Jackie O Show that she regularly skips breakfast, a practice known as intermittent fasting

She also avoids carbs and satisfies her hunger throughout the day by snacking on pre-cut pieces of steak

1684878935 870 Jackie O serves up some chic court style as she

She also avoids carbs and satisfies her hunger throughout the day by snacking on pre-cut pieces of steak

“I cook steak and slice it, and then I just have a little piece of steak when I’m hungry,” she told her co-host Kyle Sandilands.

Jackie, who is an ambassador for the WW weight loss program, resists splurging on high-calorie foods for lunch.

She admitted that she often chose to eat just “three small pieces of steak” and a few Vietnamese rice paper rolls with fish and cabbage.

Jackie, who is an ambassador for the WW weight loss program, opposes splurging on high-calorie foods for lunch

Jackie, who is an ambassador for the WW weight loss program, opposes splurging on high-calorie foods for lunch

She admitted that she often chose to eat just

She admitted that she often chose to eat just “three small pieces of steak” and a few Vietnamese rice paper rolls with fish and cabbage

Kyle was shocked by her small portion size and told her,

Kyle was shocked by her small portion size and told her, “A dog would eat more!”

For dinner, Jackie usually eats vegetables and a protein such as chicken or red meat

For dinner, Jackie usually eats vegetables and a protein such as chicken or red meat

Kyle was shocked by her small portion size and told her, “A dog would eat more!”

For dinner, Jackie usually eats vegetables and a protein such as chicken or red meat.

Between meals, Jackie treats herself to smoothies and Starbucks Frappuccinos, a kind of blended iced coffee drink.

Between meals, Jackie treats herself to smoothies and Starbucks Frappuccinos, a kind of blended iced coffee drink

Between meals, Jackie treats herself to smoothies and Starbucks Frappuccinos, a kind of blended iced coffee drink