After coming of age in the public eye, Mandy Moore opens up about life, love and the pursuit of happiness in Hollywood. Burgundy sweater, multicolor pleated dress and woven bracelets, all price upon request, at Dior; Dina sandals, $550, by Sophia Webster at Neiman Marcus; rose gold earrings,$3,800, at maxior.com.br; vintage topaz necklace, $1,250, and vintage amethyst pendant necklace, $1,850, both at beladora.com; body chain necklace with diamonds, price upon request, at noudar.com; gold cherub bangle and rose quartz ring, both price upon request, at neillanecouture.com; Licol half eternity bangle in rose gold, $7,200, and Licol half eternity bangle in yellow gold, $4,100, both by Anna Sheffi eld at Asrai Garden; One of a Kind bracelet with pink tourmaline, price upon request, by Irene Neuwirth, similar styles at Barneys New York; rose gold pavé bracelet, $8,800, at andreafohrman.com; Waif ring with rutilated quartz, $6,250, and offset pyramid rings, $1,750 each, all by Jacquie Aiche at Neiman Marcus. It’s as much of a shock to Mandy Moore as it is to you that her debut single, “Candy,” first flowed from radios, CD players and iPods 20 years ago. “It is weird to think that this...