Miranda Lambert isn’t the only prize-winning member of her family — er, “farmily.” Earlier this month, the country superstar took a break from her whirlwind album release month to travel to the Oklahoma State Fair to show her horses. The singer shared a recap of the trip on social media, posting a round-up of photos of herself and her horses competing at the fair — and even coming home with some No. 1 blue ribbon prizes. “Horses are my happy place,” Lambert wrote, adding that showing her horses is one of her “favorite things in the world.” In the photos, she poses with two Gypsy Vanner horses,…