However, a source close to the handsome actor has insisted that there are no romantic feelings between the pair, telling PEOPLE: "They are absolutely just friends."
Meral Melika Duran, and EU strategist, director and producer, posted a picture of herself chatting with the 55-year-old actor and his close 'friend' Alia, thanking the Hollywood A-lister for his support of 'art and artists'.
Miss Duran wrote on Instagram: "Supporting arts & artist as usual 😎Thank you Brad Pitt for joining us🙏 Had the pleasure to introduce my great artist friend Martin Werthmann to Brad (please check out his work).
"Had a very interesting conversation with Brad. Like is positive attitude 🙂."
Brad Pitt has been seen with multiple women since his September 2016 split from Angelina Jolie.
The pair - who are in the midst of a messy divorce - were married in August 2014, and share six children together.
Brad as admitted that his marriage breakdown aided his Oscar-worthy performance in Sci-Fi flick Ad Astra.
"I would be exploring it whether there was a script that allowed that or not."
"A breakup of a family is certainly an eye-opener that as one — and I’m speaking in general again — but as one needs to understand, I had to understand my own culpability in that, and what can I do better," Brad continued.
"Because I don’t want to go on like this."