Sure enough, the brunette beauty, who announced her happy news in March and is thought to be approaching the end of her second trimester, has been seen in her sporty gear as she exercises in Los Angeles.
Ready for a workout in a pair of black cropped leggings, Nike trainers and a fitted pink top that showed off her burgeoning baby bump, Stacy held a bottle of water to make sure she kept hydrated and had earphones in to listen to music.
CLICK ON PHOTOS FOR FULL GALLERY
Stacy Keibler pictured keeping fit during her pregnancy
A pair of Aviator sunglasses kept the sporty look cool and trendy.
Stacy, who has dated Hollywood star George Clooney in the past, is expecting a baby girl with her husband, handsome technology entrepreneur Jared Pobre.
The pair met five years ago but only started dating at the end of 2013. They tied the knot in March last year in an intimate ceremony attended by a small group of friends and family – who were only told of the holiday plans during the flight to Mexico.
Stacy Keibler recently revealed her baby bump, posing in a bikini
Stacy recently said to People magazine about becoming a mother: "I'm so excited for the new chapter in my life. I'm so ready for it. I feel for the first time like I'm really fulfilled and at peace."
Having clearly moved on from her ex, George, she natually "wishes him nothing but happiness" with his fiancée Amal Alamuddin.
"Stacy is focused on her life with Jared [Pobre] and enjoying her pregnancy," a source told E! when George's engagement news broke. "She wishes nothing but happiness for anyone she's dated, including George."