Brooke Shields found her “highlight of the summer” on an adventure-filled getaway to Croatia. The 61-year-old actress and model shared highlights from a trip with friends, including Chelsea Handler, that took her from the streets of Croatia to waterfalls and the open water. Shields kicked off the Instagram carousel with a striking photo of herself sitting beside a rushing waterfall in a black strapless one-piece swimsuit. Soaked from the rushing water, Shields sat back on a moss-covered rock with her legs stretched out in front of her, closing her eyes and lifting her face toward the sun. Her dark hair was slicked back as she finished…









