Find out which 'Real Housewives of Miami' star David Foster was recently spotted with. Could Yolanda Foster's soon-to-be ex-husband, David Foster, be wooing another Real Housewives star? You'll Never Believe Who 'RHOBH' Yolanda Foster Just Moved Next To! Last week, David oddly turned up on the Instagram page of Karent Sierra, formerly of The Real Housewives of Miami, and right away, fans began chatting about the possibility of a romance between them.