The 43-year-old star shared the news on her Instagram page and debuted her baby bump on the cover of Romper magazine.

In an announcement video, Jenna can be seen in a bathtub with her bare baby bump in full view, while Steve serenades them with his guitar. The couple already has a three-year-old son named Callum. Additionally, Jenna has a 10-year-old daughter, Everly, from her previous marriage to actor Channing Tatum.

Jenna expressed her excitement about the pregnancy and revealed that she and Steve have chosen not to find out the sex of the baby. She explained in her interview with Romper magazine that this would be her last pregnancy, and she wants to savor every moment.

Jenna's relationship with Channing Tatum, whom she met on the set of the movie "Step Up" in 2016, ended in 2018, and their divorce was finalized in 2019. Channing is now engaged to actress Zoe Kravitz.

Speaking about her fiancé Steve, Jenna gushed about his domestic and nurturing nature, describing him as incredible and excited to see him with another baby.

Despite the exhaustion of working while pregnant, Jenna shared her joy about being a part of the TV series "The Rookie," where she plays the character Bailey Nune. She praised the supportive and lovely cast and crew, stating that it makes her job feel easy and enjoyable.

This will be Jenna's third pregnancy, with her previous experiences taking place at the ages of 32 and 39. She acknowledged that being a dancer has given her a resilient mindset to tackle the challenges that come with motherhood.

As Jenna embraces this new chapter in her life, she is looking forward to the journey of becoming a mom once again, cherishing the joys and embracing the exhaustion that comes with it.