Lisa Rinna is strutting her stuff.

The 56-year-old actress took to Instagram on Friday to flaunt her figure in a steamy bikini photo.

With her arms raised up behind her head, Ronna donned a black lace bikini, with her slim waist and toned stomach on full display.

BILL PULLMAN JABS TRUMP OVER 'INDEPENDENCE DAY' TWEET: 'MY VOICE BELONGS TO NO ONE BUT ME'

In the caption, Rinna simply wrote "Thirsty," followed by a water droplet emoji.

Fans were stunned by the image, voicing their support in the comments.

"GOALS FOR LIFFFEEE," wrote a follower.

"If you got it flaunt it, and my dear DEFINITELY GOT IT," said another, adding a red heart emoji.

TARA REID IN TALKS TO PLAY 'TIGER KING' STAR CAROLE BASKIN IN UPCOMING FILM

"Absolutely stunning...!!!" added a third, including several flame emojis.

A fourth added: "Fabulous! Love your look, love your life attitude."

Although not a bikini photo, the "Real Housewives of Beverly Hills" star also shared her slim figure in another Instagram post on Friday.

CLICK HERE TO GET THE FOX NEWS APP

The post featured a black-and-white photo of Rinna in a sparkling dress, taken from the actress' side, highlighting her flat tummy.

The photo was captioned with a simple white heart emoji.