Teresa Giudice is a red-hot mama!

The Real Housewives of New Jersey star, 46, shared a series of photos of her toned body to Instagram Friday, when she sported a strapless red bikini while standing in front of the beach and lounging in the pool.

“?Taking in everything summer has to offer me! ?,” she wrote about her vacation in Cabo San Lucas, Mexico. “#ThePalaceLife #LeBlancSpaResort#cabosanlucas #paradise #redbikini#workinghard.”

In another photo, the mother of four posed in a white one-piece bathing suit and a red-and-white robe.

“I’ve always loved the idea of not being what people expect me to be. Stay tuned…future is bright over here baby??? love love love #leblancsparesort #cabosanlucas#thepalacelife #summer2018,” she captioned the image.

In June, Giudice competed in the bikini division of a bodybuilding competition and won third place.

The Bravo star showed off her ripped abs, toned arms and muscular legs at the NPC South Jersey Bodybuilding Championships in New Jersey.

A source told PEOPLE Giudice “has been training for this bodybuilding competition since December.”

RELATED: Teresa Giudice Proudly Displays Her Muscles in a Bikini at Bodybuilding Competition

“She wanted a new challenge and pushed herself to the extreme. Right now she is in the best shape of her life,” the insider continued. “She has lost a bunch of weight.”

The source added Giudice is “even more fit than when she got home [from prison].”

In addition to working out, Giudice told Women’s Health in 2016 that yoga helped her “get through it all” during her 11-month prison stay, adding that she planned to become an instructor in the practice.

RELATED: Teresa Giudice ‘Lost a Bunch of Weight’ in ‘Extreme’ Training for Bodybuilding Competition: Source

“I love it so much that I want to get certified in it,” she said. “I have a few more months to go. I’m just taking my time, because I have four daughters. It’s a lot, but I’m definitely going to complete it.”

Meanwhile, her husband Joe Giudice, who is currently serving out his 41-month sentence for mail, wire and bankruptcy fraud, has also made some major changes to his body, losing 45 lbs. in prison.

Joe — who transferred from the Federal Correctional Institution in Fort Dix, New Jersey, to a federal prison in Pennsylvania last November — has completed more than 27 months of his sentence thus far. Teresa served a little over 11 months in prison herself for the same crimes and was released on Dec. 23, 2015.

A source previously told PEOPLE that the couple — who share daughters Gia, 17, Gabriella, 14, Milania, 12, and Audriana, 9 — “can’t wait to be reunited.”