A company called Kaleidoscope came up with the 10 most embarrassing things that can happen on your wedding day.  But Kaleidoscope makes dresses for the mother-of-the-bride, so their results may be a little skewed.  Here's their list:  

1.)  Bad outfits:  The example they gave was a bride's mother who wore an inappropriately sexy dress.   

2.)  Tension between the mothers:  Nasty comments, one-upmanship, and full-blown arguments between the bride and groom's mothers.  

3.)  The groom showing up at the altar drunk.  

4.)  Wardrobe malfunctions, like the groom's pants falling down.  (--Their example, not ours.)  

5.)  Crying babies.    

6.)  Someone speaking up:  You know when the minister asks, "Speak now or forever hold your peace" . . . apparently people outside of TV shows sometimes do.

7.)  The groom picks the venue.  Although it's hard to imagine that happens very often.  

8.)  Seating chart politics:  It can be tough to keep all the family members who hate each other separated at the reception.

9.)  Unwanted guests:  Not uninvited guests . . . but when you invite someone just to be polite, and they show up and make a scene.   

10.)  One of the dads dancing at the reception.