I've taken part in the typical Bachelorette party games, scavenger hunts, suck for a buck tricks over the years of celebrations, so I was pleasantly surprised to play a new game while attending my friend Laura's party last weekend. STEP 1: Each Guest Buys Panties Party guests were instructed to bring sexy panties for the bride-to-be as a gift, but unwrapped and without a card. The chosen underwear could be lacy, animal print, dainty or downright dirty, but should be a reflection of the…