Like gasoline to a car, The Real Housewives franchise runs on a full tank of drama, accusations, expensive shoes and a touch of delusion.

OK! GALLERY: REAL HOUSEWIVES OF NYC STARS RAMONA SINGER, SONJA MORGAN, LUANN DE LESSEPS & MORE PARTY AT OK!'S FASHION WEEK EVENT

So much so that Bravo not only hopes but relies on the wacky antics of each show's relentless villain to be the ammunition to keep the hour-long episode afloat. In fact, it's actually tough to think where the Real Housewives would be today without New Jersey's Teresa Giudice and her table flipping outbursts, DC's Michaele Salahi's shamless White House party crashing or NYC's Kelly Bensimon's Scary Island meltdown.

OK! GALLERY: REAL HOUSEWIVES OF NEW YORK CITY'S RAMONA SINGER AND SONJA MORGAN ATTEND OK!'S SEXY SINGLES EVENT IN NYC

Check out why we chose Teresa, Michaele, New Jersey's Danielle Staub, Beverly Hills' Camille Grammer, NYC's Kelly and Orange County's Alexis Bellino as the requisite oil to the housewife water.