Paulina Porizkova shares lingerie photo to talk about the importance of dressing for yourself (Photo by John Parra/Getty Images for Sports Illustrated)

Paulina Porizkova is timeless.

On Thursday, the 56-year-old supermodel shared a sultry photo where she's smiling in black lingerie with red-bottom heels. Porizkova used the caption to explain her personal growth when it comes to dressing sexy for herself and praised the grace of aging.