EXCLUSIVE: Hart to Hart actress Stefanie Powers, 77, looks as fit as ever as she's spotted in rare outing while loading up on groceries in Los Angeles

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Hart to Hart actress Stefanie Powers was spotted in a rare public appearance during a grocery run in Los Angeles, exclusive DailyMail.com photos show.

The 77-year-old looked as fit as ever as she spent an hour inside a grocery store in the San Fernando Valley on Monday. 

Powers, who found fame starring alongside Robert Wagner in the mystery series that spanned three decades, wore workout gear during the trip, with her shirt reading 'Live Life Better – Mind Body'. 

Although the Emmy-nominated actress was dressed casually and wore a face mask for the outing, her signature red hair gave her away.  

The 80s sitcom star splits her time between the UK, Los Angeles and Kenya and she is a close friend of Prince Charles. 

She made headlines late last year for unloading on his daughter-in-law Meghan Markle, saying: '[Meghan] wants to be a star, which, I'm sorry, Meghan's role is not about being a star. It's her job to be Harry's wife, not change the royal dynamic.'

Hart to Hart actress Stefanie Powers was spotted in a rare public appearance during a grocery run in Los Angeles, exclusive DailyMail.com photos show

The 77-year-old looked fit as ever as she spent an hour inside a grocery store in San Fernando Valley on Monday

 Although the Emmy-nominated actress was dressed casually and wore a face mask for the outing, her signature red hair gave her away 

DailyMail.com caught a glimpse of her practically ageless face without a mask when she drove off in her car

The 80s sitcom star splits her time between the UK, Los Angeles and Kenya and is a close friend of Prince Charles

Powers became close with Prince Charles over their mutual love of polo, and told the Daily Beast last December that Meghan was trying to turn the Royal Family into her own personal TV show, 'Lifestyles of the Rich and Famous' 'The Adventures of Meghan in the Palace'.

She didn't hold back and added: 'Those headlines saying she was Hollywood royalty marrying British royalty... She had a role in a TV show.

'Please, she's obviously not a great actress. She's not gotten into the role she has taken on.

'Grace Kelly did [when she married Prince Rainier of Monaco], but then she was Hollywood royalty—not a bit player in a minor television series.'

Her rant then shifted to other members of the Royal Family as she said: 'Britain is outstanding because of the Royal Family, and when a member of it misbehaves they shorten its viability.

'Prince Andrew is stupid. Both him and Harry have making fools of themselves in common.

'Kate [Middleton] is impeccable, she doesn't put a foot wrong.' 

The 77-year-old looked fit as ever as she spent an hour inside a grocery store in San Fernando Valley on Monday

She made headlines late last year for unloading on his daughter-in-law Meghan Markle, saying: '[Meghan] wants to be a star, which, I'm sorry, Meghan's role is not about being a star. It's her job to be Harry's wife, not change the royal dynamic'

She didn't hold back and added: 'Those headlines saying she was Hollywood royalty marrying British royalty... She had a role in a TV show. Please, she's obviously not a great actress. She's not gotten into the role she has taken on'

'Look at Princess Anne. I love Princess Anne. I know her. She is sensational. She is her mother's daughter, totally committed to what she does. She has stepped back, and doesn't make a circus of life whenever she steps out. She's the real thing. She's kind of mischievous. She has a wicked twinkle.'

Of Charles, with whom she's played polo at the Royal Berkshire club on several occasions over the years, Powers said: 'I think he's a much undermined and maligned person. He is a very knowledgeable man about many, many areas.

'He's very concerned about the environment and about architecture. He feels strongly about things that he is obliged not to say anything about because of his public position.

'I think he deserves a great more deal more credit than he is given. He's lovely, witty.

'I think the general impression, because of Diana, was thumbs down for him and thumbs up for her.

'That's what the public does—makes black and white judgments without knowing anything. The public doesn't know who he is.

Powers is seen playing polo with Prince Charles at the Suoni World Class Polo Day at Ewhurst Surrey in May 2005. The pair met and became friends through the Royal Berkshire Polo Club

Powers found fame starring alongside Robert Wagner in Hart to Hart (left in 2003 and right on the 80s sitcom). She has refused to comment on the actor's alleged involvement in the 1981 death of his wife Natalie Wood

She concluded: 'He will make a good king, I think, in spite of the fact he probably doesn't want it—who knows? He has very big shoes to fill. The Queen is extraordinary.'

The Royal Family was just one of many topics Powers touched on during her two-hour interview with the Daily Beast - which she prefaced by telling reporter Tim Teeman: 'I'm not going to tell you anything more in person than I would have said on the phone.'

She talked at length about her time on Hart to Hart, and about her 40-year friendship with co-star Robert Wagner.

However, there was one aspect of her relationship with 'RJ' that she refused to comment on: the actor's alleged involvement in the 1981 death of his wife Natalie Wood.

Wagner is believed to be the last person who saw Wood's alive before she drowned while on a boat trip to the Santa Catalina Island. The actor, now 89, was named a person of interest in Wood's death in February 2018.

Asked whether she thinks Wagner is innocent, Powers said: 'I won't comment about that.

'I won't even bring it up as an issue. It doesn’t bear discussion. It is a non-issue.

'What happened happened, and the rehashing of it is generally done by people who wish to get some money from it.'