Models swapped their usual poker faces for smiles as they stepped onto the runway-in-the-round at Emporio Armani. Is it any wonder? This collection, made for holidays under the sun and stars, was ultra-bright with lollipop colors, sheer fabrics and a lineup de summery jackets to suit every style. Emporio Armani is the sporty, more adventurous cousin to Giorgio Armani and the designer embraced that carefree spirit, adding shorts and strapless swing dresses. For evening, Armani paired cropped, embellished top…