Martha Stewart took a slight jab at Meghan Markle's lifestyle brand, As Ever."Meghan I dont really know very well, and I hope she knows what shes talking about," Stewart, toldYahoo Lifestyle earlier this week of Markle's brand, which is known for raspberry spreads, teas, limited-edition wildflower honey and edible flowers."Authenticity, to me, is everything, and to be authentic and knowledgeable about your subject matter is extremely important."GWYNETH PALTROW SHUTS DOWN MEGHAN MARKLE FEUD RUMORS WITH TONGUE-IN-CHEEK VIDEOThe 83-year-old original lifestyle guru did praise Gwyneth Paltrow for her success in Goop."Gwyneth has been very successful; she created quite an interesting body of businesses," Stewart said of the lifestyle brand founder. "She won an Oscar, for heavens sake, as an actress! Shes pretty powerful."LIKE WHAT YOURE READING? CLICK HERE FOR MORE ENTERTAINMENT NEWSEarlier this year, Paltrow did an interview with Vanity Fair in which she told the magazine, "I dont know Meghan and Harry," who also live in Montecito, California. "I mean, Ive met Meghan, who seems really lovely, but I dont know her at all."Maybe Ill try to get through their security detail and bring them a pie."Paltrow, who also found her way to the lifestyle space after an acting career, told Vanity Fair she wasnt overly familiar with Markles widely panned Netflix show, "With Love, Meghan," or her brand As Ever but was inclined to support her.Referring to the backlash Markle has received, Paltrow said when "theres noise about certain women in the culture, I do have, always, a strong instinct to stand up for them."I was raised to see other women as friends, not foes. I think theres always more than enough to go around. Everybody deserves an attempt at everything that they want to try."CLICK HERE TO SIGN UP FOR THE ENTERTAINMENT NEWSLETTERThe two ladies poked fun at their rumored feud after the "Shakespeare in Love" actress said she didnt know her Montecito neighbor "at all.""I genuinely do not understand this at all whatsoever," the Goop founder said in a video on her Instagram story while answering fans for an "Ask me a question" segment.A fan asked, "Are you comprehending the Meghan Markle beef that social media says you two have?"Paltrow then panned her phone to the left, revealing a shrugging Markle sitting at her kitchen table eating a piece of pie before starting to laugh. Markle alsoposted the video to her Instagram story at the time.