In ET’s sneak peek at ‘Sister Wives,’ Christine Brown goes engagement ring shopping with boyfriend David Woolley. She reflects on her first ring from ex-husband Kody Brown, which did not have a diamond. Plus, she recalls not feeling celebrated on their wedding day. Now, with Kody in the rear view, Christine is excited to celebrate every bridal milestone for the first time. Janelle and Meri also share if they plan to re-marry, and what kind of ring they envision for themselves. ‘Sister Wives’ airs Sundays at 10 p.m. ET/PT on TLC.