Born holding hands, twins Jenna and Jillian Thistlethwaite warmed the hearts of readers across the country with their extraordinary bond. Their birth photo went viral. Now 2 years old, the sisters are as close as ever and have inspired other families to share their stories of twin-credible love.
These photos from TODAY's Facebook page celebrate twins at all stages of life, from birth to marriage and beyond. Their friendships — and matching outfits — show the joy of growing up with a ready-made partner-in-crime. Not to mention, two little kids are twice as adorable as one!