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The Real Housewives of Orange County Season 20 is generating multiple storylines: Gretchen Rossi is set to make an unexpected return in the finale alongside partner Slade Smiley, reportedly causing a cast member to 'lose her s--t.' Heather Dubrow revealed a tense off-camera conversation with Emily Simpson, Carmella Garcia discussed her feud with Vicki Gunvalson after calling her 'gross' and 'arrogant,' and Vicki Gunvalson hit back at Tamra Judge for discussing her health (including revealing she's had eight brain surgeries) with the cast. Together these threads paint a contentious new season full of resurfacing rivalries and new flashpoints among the Orange County cast.