She toldExpressthat their star signs make their home life run smoothly.

“Especially for marriage and sharing a household together.”

Zara, is the daughter ofAnne, Princess Royal.

Zara and Mike Tindall smiling

She and Mike tied the knot in 2011, and their union has been successful.

They are more laid-back royals, especially when it comes to parenting their three children.

Zara and Mike allow their children to act like kids, even when cameras are rolling.

Mia, Lena, and Lucas Tindall posing

The Tindalls' eldest child, Mia, has a special connection to her royal family members as well.

It seems the second cousins share a playful bond.

As for Lucas, the couple hasn’t shied away from telling the wild story of his birth.

Zara and Mia Tindall posing