Related: Celebrity Bridesmaids' Dresses: See All the Photos! In the clip ... “Good lord a hell of a lot can happen in 10 years! Happy 10 years 27 dresses!” she wrote in the caption.

In one, we’re treated to the horror of those 27 bridesmaid dresses in Jane’s closet—a Gone With the Wind wedding, anyone?—and in another, Heigl and Marsden gamely do the inebriated-dancing ...

After all, Princess Diana had the same problem ... Jane spends the majority of "27 dresses" as the dutiful bridesmaid, so her wedding is a long time coming. And when she finally does step out ...

Two things about Jane: she never says no to her friends (she's been a bridesmaid 27 times and selflessly plans friends' weddings), and she's in love with her boss, George, nurturing dreams of a ...

“I actually have all of the bridesmaid dresses I have worn ... “Good lord a hell of a lot can happen in 10 years! Happy 10 years 27 dresses!” she wrote in the caption.