'Sister Wives': Kody and Janelle Brown's Son Garrison Dead at 25

'Sister Wives' stars Janelle and Kody Brown's son, Garrison, has died. He was 25. The former couple confirms their loss on Instagram. 'He was a bright spot in the lives of all who knew him,' they write. 'His loss will leave such a big hole in our lives that it takes our breath away. We ask that you please respect our privacy and join us in honoring his memory.'