40th Birthday Party Supplies

Celebrate the big four-zero with our curated collection of 40th birthday party supplies. Discover stylish birthday decorations, balloons, cake toppers, banners, candles, and themed tableware designed for unforgettable milestone celebrations.

Whether you're planning an elegant dinner party, a festive gathering with friends, or a sophisticated birthday soirée, these decorations help create a beautiful and memorable 40th birthday celebration.

Celebrate beautifully. Ready. Fête. Go!

25 products
Sale
Tall pink and green glitter candles on a pink frosted cake against a white background
Half green, half pink layered cake with tall glitter candles on a cake stand, pink backdrop
Pink & Green Glitter Candles
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Regular price$13.00 Sale price $9.00
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Gold star, spiral, and glitter dipped candles standing in a white sprinkle birthday cake
Graphic on pink noting 5 spiral candles, 5 glitter dipped candles, and 4 star candles laid out
Novelty Gold Candles - 14 pc gold glitter candles
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Regular price$22.00 Sale price $13.00
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Three gold glitter mini party hats with fluffy gold tinsel pom toppers for a New Year's Eve or milestone birthday
Gold glitter mini party hats with gold cord ties scattered on a white surface for a birthday celebration
Gold Glitter Mini Party Hats
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Regular price$14.00 Sale price $9.50
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Gold fringe headband with Birthday Girl script on a white headband, shown on a white background
Smiling woman wearing the gold Birthday Girl fringe headband against a pink backdrop for a birthday party
Birthday Girl Gold Fringe Headband
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Regular price$20.00 Sale price $15.00
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Iridescent fringe headband with silver Birthday Girl script on a white headband, shown on white
Woman resting her chin on her hand wearing the iridescent Birthday Girl fringe headband on pink
Birthday Girl Iridescent Fringe Headband
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Regular price$18.00 Sale price $15.00
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Two swags of gold scalloped fringe banner on a white background
Gold scalloped fringe banner draped across a pink wall with a white starburst label
Gold Scalloped Fringe Banner
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Regular price$32.00 Sale price $31.00
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A tini bit older cocktail napkin on white, black script between two espresso martini glasses with black bows and polka dots
Espresso martini cocktail napkins scattered on a white table with coffee beans, chocolate chip cookies, and a candlestick
A Tini Bit Older Espresso Martini Cocktail Napkins
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Regular price$18.00 Sale price $13.00
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Espresso martini banner close-up, gold foil martini glasses with brown tissue honeycomb and black bow cutouts on white
Espresso martini banner hung in two rows above a white birthday cake with black bows and lit gold taper candles
Espresso Martini Birthday Banner with Black Bows
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Regular price$18.00 Sale price $14.00

Turning forty is a major milestone worth celebrating in style. At Bonjour Fête, we believe milestone birthdays deserve thoughtful design, beautiful details, and a celebration that reflects the guest of honor's personality.

Our curated collection of 40th birthday party supplies features elegant decorations, balloons, banners, cake toppers, candles, and celebration tableware designed to elevate milestone birthday gatherings. Whether you're hosting an intimate dinner party, a festive cocktail celebration, or a lively birthday bash with friends and family, the right decor helps create a memorable experience.

Many 40th birthday celebrations lean toward sophisticated and stylish party themes, such as elegant black-and-gold milestone parties, chic cocktail gatherings, disco-inspired celebrations, and beautifully styled dinner parties. Decorating with statement pieces like number balloons, milestone candles, balloon garlands, and themed dessert tables helps create a stunning focal point for photos and celebration moments.

As a destination for party inspiration, trendsetting designs, and elevated entertaining, Bonjour Fête curates decorations that reflect both modern celebration trends and timeless party styling ideas. Explore our 40th birthday decorations and milestone party supplies to create a celebration that feels joyful, sophisticated, and unforgettable.

FAQs

Start with a cohesive theme and build around a few statement decorations. Popular styling ideas include number balloons, milestone candles, balloon garlands, and coordinated plates and napkins. Many hosts also create a styled dessert table or cocktail station as a focal point for photos and celebration moments.

Trending 40th birthday themes include elegant black-and-gold celebrations, disco birthday parties, chic dinner parties, cocktail gatherings, and retro or decade-inspired themes. These celebrations often feature stylish tablescapes, balloon backdrops, and photo-ready decor that make milestone birthdays feel festive and memorable.

A memorable milestone birthday comes down to thoughtful design and intentional details. Choose a cohesive color palette, add elegant tableware and decorations, and create styled moments like a dessert table or photo backdrop. These elements help transform a simple gathering into a celebration that feels truly special.