TV's Jon and Kate Gosselin say that they're divorcing

elebrity parents Jon and Kate Gosselin say they plan to divorce.

The co-stars of "Jon & Kate Plus 8," who are parents of 5-year-old sextuplets and 8-year-old twins, spoke of their decision to separate during Monday's episode of the TLC reality series. Near the end of the hour-long episode, a title card summed things up in stark terms: It said that on Monday, "legal proceedings were initiated in Pennsylvania to dissolve the 10-year marriage of Jon and Kate Gosselin."