Meghan Markle is expanding its investment portfolio, adding another women-led brand to its growing list of companies.

On Thursday, November 14, the Duchess of Sussex, 43, was photographed at the Highbrow Hippie launch party at Gjelina restaurant in Venice, California. Celebrating Colorist Kadi Lee’s New Beginning Hair and Well-being Range (of which Meghan is an investor), she posed for photos with Lee and her longtime hairstylist Serge Normant, who styled Meghan’s hair for her. Wedding 2018 has Prince Harry.

“I am very proud to invest in (Kadi) as a friend and as a founder,” Meghan said. In style of her investment in Highbrow Hippie: “Kadi has mastered hair health, and her Highbrow Hippie collection is the perfect reflection of that.”

Meghan wore a sleeveless black jumpsuit for the event. The classic look included flared pants and a pendant necklace to complement her sweetheart neckline. The Duchess completed her ensemble with a pair of round gold earrings and several rings adorning her fingers, while her hair was styled in soft curls, parted in the middle.

In videos shared on Instagram after the event, Meghan was seen singing and dancing to the beat of a gospel choir.

“She was in a happy mood,” a source told PEOPLE. “She was dancing and partying with her friends.”

Several of Meghan’s closest friends were also in attendance, including her longtime friend and makeup artist Daniel Martin, as well as Vicky Tsai, the founder of Tatcha, who made an appearance in Meghan and Prince Harry’s Netflix docuseries, Harry and Meghan.

“We needed this celebration of community and creativity,” Martin told PEOPLE. “I was honored to celebrate these women among such close friends.”

Lee, with her friend and business partner Myka Harrispresent Highbrow Hippie Haircare & Wellness, solutions that address the root causes of hair loss to promote healthy hair aging.

In August, Meghan revealed she had invested in the women-founded and sustainably sourced handbag brand. Cesta Collective – and also explained how she invests in herself. Meghan said there are currently between five and 10 brands in her portfolio and said she sees them as complementary to her upcoming lifestyle brand. American Riviera Orchard.

“Investing in them has helped prepare me for this chapter of investing in myself,” the Duchess of Sussex said. The New York Times.

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Lee, who is also a hair colorist for Julia Roberts, Gwyneth PaltrowAnd Diane von Furstenberg,I already spoke to PEOPLE about Highbrow Hippie Haircare & Wellness, which she introduced with her business partner Myka Harris.

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The brand, which offers products such as Essential Wellness Complex Supplements and his Root Replenish Active Growth Serumaims to solve hair loss problems and promote healthy hair aging.

“My hair feels healthier and stronger,” Julia Roberts told PEOPLE after using the product for six months. “The formula is incredibly lightweight and absorbs quickly into my scalp without leaving any residue, even after several days of consecutive use.”

Last February, Lee’s Highbrow Hippie revealed the secrets of Meghan’s life. winter hair color look.

“Chocolate brown brunette, for Meghan, Duchess of Sussex for Invictus Games,” Lee wrote on Instagram. “This blend of red and golden undertones results in a dynamic shade of brown that not only gives skin the healthiest glow, especially during the colder winter months, but it also gives hair a high shine power of a higher level.”