Star Favorites

New mom Nicole Richie keeps baby Harlow close to her heart at all times, with an 'H' charm on a gold chain. The reality TV star has been seen wearing the necklace to both black-tie and casual events.

BUY THIS LOOK ONLINE NOW Helen Ficalora charm, $50; at shopbop.com.

Actress (and mom to Suri) Katie Holmes wore this 18kt-yellow-gold necklace out to dinner with husband Tom Cruise.

BUY ONLINE NOW Irene Neuwirth chain, $6,325; at fiskinandfiskin.com.

British actress Keira Knightley wears her gold Elsa Peretti pendant with just about everything-from jeans and a T-shirt to red-carpet dresses.

BUY ONLINE NOW Tiffany necklace, $725; at tiffany.com.

These chunky pyramid-shaped earrings were Mandy Moore's go-to Grammys accessory. The singer-actress showed off the oversize studs to full advantage with a half-up hair do.

BUY ONLINE NOW Bing Bang earrings, $115; at bingbang.com.

Actress Jamie-Lynn Sigler's Art Deco earrings are made from vintage dress clips by jeweler Lulu Frost.

BUY THIS LOOK ONLINE NOW White-gold Art Deco earrings, $485; at antiquejewelrymall.com.

NewlywedAshlee Simpson bought these diamond-encrusted hoops in 14kt rose gold. The earrings look fabulous with a dressed-down ponytail.

BUY ASHLEE'S LOOK ONLINE NOW CK Designs diamond earrings, $3,500; at fragments.com.

Actress Debra Messing donned these delicately-carved bone earrings for a stroll around Soho.

BUY ONLINE NOW Wendy Mink bird earrings, $65; at wendyminkjewelry.com.

Mischa Barton

's 14kt-gold-vermeil wishbone necklace draws attention to the actress' clavicle, and goes with almost anything-including other necklaces.

BUY ONLINE NOW Dogeared wishbone necklace, $100; at givingtreejewelry.com.