GinaMarie Zimmerman was the runner-up of Big Brother 15. GinaMarie quickly aligned herself with Aaryn, and they became infamous for their "mean girl" acts. GinaMarie was often made fun of for her inability to pronounce certain words because of her New York accent and for her strange obsession with fellow HouseGuest, Nick. She often fought with many other HouseGuests during the season. After Aaryn's eviction, GinaMarie joined The Exterminators, which allowed her to survive until the Final Two, where she lost in the final vote of 7–2.
GinaMarie was fired from East Coast USA Pageant for her comments towards those HouseGuests, especially since Candice Stewart used to participate in pageants, and the East Coast USA Pageant agreed that she would be a terrible role model for the children there.
GinaMarie's friend Ariella has stated that she would no longer tweet on GinaMarie's twitter account following GinaMarie's racist slurs.
GinaMarie was the last female standing in Big Brother 15.
GinaMarie cast the only tie-breaker vote in Big Brother 15.
GinaMarie is currently the only female to win a part of the final Head of Household competition against two male HouseGuests.
GinaMarie is currently the last HouseGuest to receive a key from the HoH in the American edition of Big Brother.
GinaMarie was the second HouseGuest to win HOH twice, following Aaryn.