Teen Mom OG
Teen Mom OG’s Ryan Edwards Marries Mackenzie In Finale...
Show: The Real Housewives of Miami
Appearances: Season 2
Reason for Leaving: "I'm focusing on other TV projects," the dentist tweeted in March 2013. Bravo has yet to comment on Sierra's departure.
Post-Housewives Career: As Sierra pursues other opportunities on the small screen, she's also looking after her ailing mother.