Sunday nights belong to women behaving badly.

Bravo has announced that it’s renewed “The Real Housewives of New Jersey” for a fourth season — and that the series is getting a brand-new timeslot: Sundays at 10 p.m.

Monday night’s episode drew an impressive 2.5 million total viewers, making it one of the Top 10 most-watched shows on cable that night.

The time-slot move, which begins this week, means that “Real Housewives” will have a good bedfellow in VH1’s hit series “Mob Wives.”

Like “Housewives,” “Mob Wives,” which airs Sundays at 8 p.m., features women behaving outrageously, although this time they’re from Staten Island.

“Mob Wives” has already gotten a 12-episode renewal, with Season 2 scheduled to premiere this fall.