It feels like one of the most highly-kept secrets of the last decade is what went on inside the Her Best Life Retreat , where Meghan Markle was intimately interviewed in front of a pre-vetted audience. The conversation has largely been kept a secret, with social media seemingly clean of photos from the event. Members of the media were not invited—to the point where suspected journalists had their tickets refunded—so Meghan ’s presence at the retreat became a feverishly dissected mystery. Until now. Meghan Markle at the Her Best Life retreat. (Image credit: Her Best Life on Instagram) Meghan Markle was a featured guest in an intimate conversation with the duchess. (Image credit: Her Best Life / Instagram) Podcasters Bruna Papandrea and Cath Mahoney, from the Unleashed podcast, attended the intimate conversation with Meghan Markle as guests at the Her Best Life retreat, and shared all the details.…