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Deliver this customizable lightbox (it comes with 69 letters to play with) pre-loaded with a message you want her to see every morning when she wakes up.
Buy It! Black Light Box, $69.99; cottonon.com
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CAMBRIDGE SATCHEL CO. BAG
She may already be sick of her winter coat, so a (cherry-red satchel embossed with her initials is the perfect way to brighten things up.
Buy It! Cambridge Satchel Co. large push lock bag, starting at $155; cambridgesatchel.com
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C. WONDER ZODIAC PENDANT
Show her a sign - her sign - to prove how much you love her.
Buy It! C. Wonder enamel zodiac pendant, $30; qvc.com
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If you know a Chuck Taylor devotee (so, pretty much every girl in your life), upgrade her beat-up fave sneaks with a pair that's unmistakably hers - you can pick everything from the stitching to the sole.
Buy It! Converse custom Chuck Taylors, $56; converse.com
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Got an Instagram you adore that's stuck on your phone? Upload it to this site, pick your favorite frame and $39 later, your work of art will be ready to hang on the wall.
Buy It! Instagram framed art, $39; framebridge.com
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CINQ À SEPT BOMBER
What could be better than a so-hot-right-now jacket style from a celebrity-loved brand? One with a custom message embroidered across the back.
Buy It! Cinq à Sept "Je T'Aime" personalized bomber, $395; cinqasept.com
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SARAH CHLOE EARRINGS
Any monogram fanatic will be thrilled to add these subtle studs to her wardrobe. The "huggie" detail modernizes the classic design.
Buy It! Sarah Chloe "Cara" huggie earrings, $128; sarahchloe.com
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WESTWARD/LEANING CUSTOM SUNGLASSES
Celebrities including Kate Bosworth and Olivia Palermo have already gotten to customize these incredibly flattering frames. Now your BFF can get the celeb treatment with a pair that's picked just from her, from the shape to the lens shade to the complementary accent.
Buy It! Westward/Leaning custom sunglasses, starting at $205; westwardleaning.com
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PBTEEN PHONE CASE
If there's anything cuter than this gold kitty-themed case with its slots for credit cards and her initial prominently engraved on the back, we're all ears!
Buy It! PBTeen Emily & Merrit tech collection phone case, $39.50; pbteen.com
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MARK & GRAHAM PLAYING CARDS
A genius all-purpose gift for hostesses or friends with beach houses whose good sides you want to stay on.
Buy It! Mark & Graham double-deck playing cards, $49; markandgraham.com
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LOCAL FAIR GIFT BOX
Local Fair has handpicked a ton of fun stuff, from tiny pinatas to pretty earrings. All you have to do is decide what speaks to you and a box will be on its way! Pick one of their prepared "bundles" or custom-make one totally from scratch (as we did here).
Buy It! Local Fair bundles, prices vary depending on contents; localfairmarket.com
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JACK ROGERS x MINNIE & EMMA PHONE CASE
Gift this too-cute collaboration, complete with her monogram, to the preppiest girl in your life, then gear up for the biggest hug you've ever gotten.
Buy It! Jack Rogers x Minnie & Emma phone case, $59; jackrogers.com
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LOLA JAMES NECKLACE
Give her a fresh take on her beloved nameplate necklace with this one, which makes an even stronger statement.
Buy It! Lola James "Squad Goals" necklace, $290; lolajames.com
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RAILS PJ SET
Celebrities are obsessed with this brand's shirts because they're so cozy. Now you can wear your favorite flannel from morning to night -- and then double up on it from night until morning.
Buy It! Rails trouser set, $178; rails.com
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NEELY + CHLOE CARD CASE
Stamp her initials on this luxe pebbled wallet for a gift that's both practical and personal.
Buy It! Neely + Chloe card case, $48; neelyandchloe.com
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A girl can never have too many pretty, personalized notecards - and with so many options to choose from online, you may find yourself adding some to your own stash, too.
Buy It! Minted "Starry Night" foil-stamped stationery, $65 for 25 cards; minted.com
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YSL LIP STAIN
Consider this the grown-up version of those two-piece BFF necklaces you loved in elementary school: pick up one of YSL's new ultra-glossy lip colors with a message that can only be read when the two of you are together (so, always).
Buy It! YSL Vinyl Cream lip stain, $36; yslbeauty.com
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ERICA SARA DESIGNS NECKLACE
She'll see the sign -- that you've got her back, no matter what -- with these ASL nameplates that spell out the message of your choice (this says "Believe").
Buy It! Erica Sara Designs American sign language nameplate, $78; ericasara.com
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The only thing that could make cashmere more irresistible? A subtle stitching declaring it hers. Choose one initial for a more retro vibe, or spell out a cute three-letter message ("BAE," perhaps?).
Buy It! Equipment "Sloane" crewneck, $268; equipmentfr.com
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EACH JEWELS BRACELET
She's the queen of Instagram - so why shouldn't she have a bracelet that celebrates her selfie skills? Upload a photo of your bestie (or a few, for your squad) and get back a personalized piece that proves your friendship is as good as gold.
Buy It! Each Jewels "Selfie" bracelet, $110 for two charms; eachjewels.com
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Gigi Hadid's says "Hadid AF." If Beyoncé had one, we imagine it would say what's pictured here. And you can join the rarefied ranks of these celebrities with a tote that says whatever you'd like. (We suggest "Too Blessed to Be Stressed," especially if you're a Real Housewife.)
Buy It! Poolside bag, $250; wearepoolside.com
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Pick the color, scent and letters for the perfect addition to her home deécor. After all, what's more personal than fragrance? Fragrance with your initials on it.
Buy It! Archipelago Botanicals candle, $45; shoparchipelago.com
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HOME STATE PUB GLASSES
There's a beer enthusiast in your life who wants to declare their state pride while knocking back a brewski. Done and done.
Buy It! Personal Creations "Home State" pub glasses, $49.99/set of 4; personalcreations.com