Jenna donned a white crop top with a pale pink pair of underwear as she posed on a balcony with the city of Melbourne behind her.
The stunner had her toned thighs on full display, as well as her sculpted abs.
The Supergirl star captioned the image: 'I love a flair I love a sunset and I love a view.
They have one daughter together, Everly Tatum, eight.
The beauty only had her feet in the water, with her locks damp behind her.
She's began her career as a dancer, starring in Janet Jackson's Doesn't Really Matter in 2000.
The Step Up star showcased her wings tattoo, located on the top part of her back.