Not Again! (1996)

Angie, a befuddled young woman, cannot seem to end a hectic day, when she's confronted by her ex, Jamie. Whisked about town on a whirlwind date, Jamie falls for Angie again, but she resists. Unfortunately, her roommate, Rita, does not and falls for Jamie anyway. It all explodes at a party attended by all and with the additions of ex girls and guys everywhere.