Ladies of London: The New Reign star Margo Stilley was all for a "new adventure" on reality TV, but she had no idea her on-camera panic attack would lead to a surprise health discovery. "I didn't know that I wasn't physically or mentally positioned to take on so much more responsibilities," Margo, 43, told People on Thursday, April 23, speaking about her time on the Bravo series. "What I didn't realize was that I was trying to build my life on a new life [that was] on completely broken foundations." Fans met Margo in March when the revived series - with a whole new cast - premiered on Bravo.