Can you identify this woman within 15 seconds? She was once a prominent celebrity but has since undergone some notable transformations.

Iconic Knots Landing star Joan Van Ark was spotted last week running errands in Los Angeles, marking her first public appearance in over three years.

The 78-year-old actress was spotted sporting athletic attire, including tall brown boots, a ponytail for her blonde hair, and a sweater around her waist.

On this sunny day, she left her house alone, taking off her blue face mask before getting in and out of her car.

DailyMail.com spotted Joan Van Ark in athleticwear, with a sweater wrapped around her waist, tall brown boots and her blond locks tied up in a ponytail

She was once feeding change into a parking meter when she dropped some coins on the ground.

Joan Van Ark was seen wearing sports attire, including tall brown boots, a ponytail for her blonde hair, and a sweater around her waist.

The Knots Landing actress was spotted last week running errands in Los Angeles, marking her first public appearance in three years.

She is best known for her role as Valene Ewing, which began on Dallas in 1978 and then continued in the Knots Landing spinoff of the series in 1979. Joan's character was married three times to her on-screen love interest Gary Ewing, played by Ted Shackelford (pictured together)

Her most well-known role is that of Valene Ewing, which she played on Dallas from 1978 to 1979 and in the Knots Landing spinoff of the show.Ted Shackelford’s character, Joan, was married three times to her on-screen love interest, Gary Ewing. (pictured together)

On this sunny day, she was seen getting in and out of her car, taking off her blue face mask, and leaving on her solo trip.

She was feeding a parking meter when she dropped some coins on the ground.

Nowadays, Joan is rumored to lead a very private life and enjoy her free time in Los Angeles.

With hits including Frogs (1972), My First Love (1988), The Last Dinosaur (1977), Shakedown on the Sunset Strip (1988), and Tainted Blood (1993), among many others, the well-known actress has had a successful TV and film career that started 55 years ago

But her most well-known role is that of Valene Ewing, which she played on Dallas from 1978 until its spinoff Knots Landing the following year. Over the course of 14 years, she made 327 appearances in Knots Landing episodes.

Ted Shackelford’s character, Joan, was married three times to her on-screen love interest, Gary Ewing.

When not on camera, Joan is rumored to lead a very private life and enjoy her free time with her 56-year-husband, the distinguished TV reporter John Marshall.

Joan Van Ark, Ted Shackelford, Donna Mills, Nicolette Sheridan, Kevin Dobson, William Devane, and Michele are shown in the cast photo of Knots Landing.

Joan is shown here with her 56-year husband, TV reporter John Marshall, an award winner.

In her seventies, Joan is still involved in the Hollywood community.

She has provided her voice on several occasions in the past few years, including cameos in the TV shows Doom Patrol (2019) and Curious George (2021).

In 2017, she made her final appearance on screen as a co-star in the television film Psycho Wedding Crasher.

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