1. AwardsAccording to the Chinese zodiac, 2015 is the Year of the Sheep. But after the Feb. 22 Academy Awards, we’d like to officially declare it the Year of the Necklace. From Cate Blanchett’s Tiffany Blue Book turquoise, aquamarine, and diamond bib to Scarlett Johansson’s 2,000-crystal Swarovski collar, from Zoe Saldana’s $1 million 100 ct. Neil Lane platinum and diamond dazzler to Viola Davis’ Van Cleef & Arpels dangly pearl choker, their variety was even more impressive than their abundance. Not a necklace person? No problem. Margot Robbie’s Van Cleef & Arpels sapphire and diamond Zip Antique Colombine jewel transforms into a bracelet with a tug of the zipper.2. CelebritiesFans have been going, um, gaga over singer Lady Gaga’s engagement to actor Taylor ­Kinney—particularly over the very un–Gaga-like ring: a heart-shape solitaire from designer Lorraine Schw