Heart-shaped: Wide forehead and cheekbones; narrow chin
Choose: Cat-eye, round.Skip: Overly embellished glasses, says David Rose, designer for Salt Optics.
Horn detail adds a preppy twist.
CWonder.com
Kelly green frames brighten up your face on no-makeup days.
$95; WarbyParker.com
The brown sugar shade plays up the warm tones in your skin.
$69; BonLook.com
Blush pink shades are a summery alternative to black.
$98; KamaliKulture.com
Next: 4 flattering pairs for an oblong face shape
Oblong: Long face; narrow chin and cheeks.
Choose: Oversize or wrap styles.Skip: Frames that are too narrow for your face.
Wide, patterned frames even out a longer face shape.
$460; SaltOptics.com
Silver-toned arms keep these bold, oversized frames from looking bulky.
$119; BonLook.com
The hexagonal shape is inspired by the geometric designs of '50s and '60s.
$95; WarbyParker.com
Avoid sunglass blind spots with a frameless style.
$168; Coach.com
Next: 3 flattering pairs for a square face shape
Oval: Balanced forehead, cheekbones and jaw.
Choose: “Any shape works on you,” says Rose. Softly angular frames play up an oval face.A tortoiseshell frame updates the classic aviator.
$78; CWonder.com
The lacquered half-frame is a retro touch, with a retro price to match.
$5.80; Forever21.com
Take a walk on the wild side with these tiger-striped shades.
$30; Chicos.com
Polarized lenses reduce glare, making them a must-have when you're poolside or dockside.
$145; WarbyParker.com
Next: 4 flattering pairs for a square face shape
Square: Broad forehead, square jawline
Choose: Round, oval, cat-eyeSkip: Sharp, geometric shapes.
Large oval frames soften a square jawline.
$17; Target.com
These subtly curved frames are perfect for anyone who wants to channel Jackie O's signature style.
$95; FlutterEyewear.com
Pair with a loose scarf for a "please, no photos!" dose of old Hollywood glamour.
$88; AnnTaylor.com
Next: 4 flattering pairs for a round face shape
Round: Full cheekbones; narrow forehead and jaw.
Choose: Wide, rectangular frames.Skip: Round frames or colored lenses, which exaggerate fullness.
Wide frames make a fuller face seem slimmer.
$17; Target.com
A matte finish tones down lilac frames and proves that pastels aren't just for kids.
$69; BonLook.com
Neutrals look appropriate year-round.
$169; Toms.com
The thick bridge on these frames shifts people's focus up, offsetting fuller cheeks.
$375; SaltOptics.com
Photos: Ben Goldstein/Studio D