Brooke Shields joins for a holiday edition of ‘Jenna & Friends.’ Summer love is in the air as Jenna and Brooke look back at their own sun-kissed romances. Also, the pair gets the Fourth of July scoop, from internet travel lingo to the best deals on pool and beach gear. Plus, Mario Cantone talks ‘And Just Like That...” season 3, prepping for shirtless scenes and his 30+ year marriage. And, Brooke and Jenna host a Backyard Bonanza competition in honor of a fan’s 60th birthday.