Already a mom of three—to Mila, 9, Poppy6 Hal, 3—Jenna revealed that she is “in awe” of watching her sister begin her parenting journey.

Jenna stated, “To witness her becoming a mom was such a blessing, and to see our children fall in LOVE with one another, that’s one thing in life you can’t predict how happy it is going to make you.”

The power of sisterhood is so important to them, it’s the theme of their brand-new children’s book, Superpower Sisterhood.

“We wrote a second children’s novel first. Sisters FirstBarbara said that the love letter was written to sisters by Barbara. “And on that tour, other women would come, or girls would come, and listen to us and they’d say, ‘I don’t have a sister, but I came with my best friends.’ And we would say, ‘Well, she’s your sister. You have chosen her as your sister.