No matter how you’re planning to celebrate your bachelorette or bachelor party, it’s always one of the most anticipated pre-wedding events. A night (or weekend!) with your closest friends, having an absolute blast—what’s not to love? As with all of your wedding planning , when it comes to your last fling before the ring, timing is everything. We asked our experts to break down when you shouldn't have your bachelor or bachelorette party to help make that planning a little bit easier.