16 Ideas for an Enchanted Celestial Wedding

We're dreaming of the moon and the stars.

Bride and groom at celestial wedding posing in front of sparkling lights

Photo: Via Imagery

Updated Jun 26, 2025

We're dreaming of shooting stars, a glittering sky and a gleaming sliver of a moon—all for a celestial wedding. There's something about a celestial wedding theme, with its sparkling details and otherworldly vibe, that feels like magic. And with the way it can symbolize a couple's journey, it's also utterly profound. The cosmos represents the unknown and vast beauty of the universe, reflecting the adventure and awe of sharing a life together.

Wedding Under the Stars? Tent Rentals Await

Wondering if you're destined for a wedding in the stars out of all the wedding theme ideas out there? Take our Style Quiz to figure it out, or read on for plenty of tips and real wedding photos for inspiration. If an image catches your attention, you can create an account to favorite it using the heart icon on the right-hand side. That way, you can easily refer back to it (or this article!) when you want to build out your vision.

Wedding Under the Stars? Tent Rentals Await

What Is a Celestial Wedding?

A celestial wedding is a themed wedding that draws inspiration from the skies above—the moon, stars, constellations, planets and galaxies. It blends the beauty of astronomy and the cosmos with the magical for a dreamy, ethereal vibe. The celestial wedding meaning can be closely linked to a couple's love story, drawing parallels between the beauty and eternity of the cosmos and their relationship. Many couples see their union as written in the stars—a fated connection symbolized by the alignment of celestial bodies.

Several celestial wedding theme ideas can help you infuse this symbolism throughout your wedding. You can lean into midnight colors like navy and black with accents of silver and gold for a starry night wedding theme or into soft shades of purple and white for more whimsical stardust vibes. When it comes to details, planet illustrations or rocket-shaped desserts can create a space-themed wedding, while zodiac table numbers or constellation seating charts can give a more astrological vibe. It's all about how you interpret the stars.

Ideal Celestial Wedding Venue Considerations

An ideal celestial wedding venue is the great outdoors. What could be more magical than dancing under a blanket of twinkling stars? A lot of outdoor wedding venues on The Knot Vendor Marketplace fit this bill, from sky-high rooftops to sprawling ranches. You can even opt for a greenhouse or prop up a clear tent in a forest or garden for some indoor comfort with a beneath-the-stars effect, which you can play up with tent wedding decorations like string lighting with star accents. Just keep in mind that you may have to pay extra for traveling and accommodation if you choose a more remote and rural stargazing location or a higher price for a rooftop venue in a city.

But you don't need an outdoor wedding venue to pull off a star-themed wedding. Planetariums, observatories, museums and science centers all add a touch of whimsy and science. Or you can choose a space with a blank canvas, like a warehouse, and create starry effects with specialty lighting, projectors and LED ceilings if they're in your budget.

Celestial Wedding Invitations

First things first: Pick out your celestial-themed wedding invitations to set the tone for your dream wedding. You can find several options browsing The Knot Invitations, which all have a matching wedding website on The Knot. We picked a few of our favorites for you below.

1. Celestial Arch Wedding Invitations

This wedding invitation suite and matching wedding website will have guests dreaming of a starry night sky, thanks to a foil arch glittering with a crescent moon and stars. There are eight colors to choose from, but we love the navy and black options to mimic a midnight sky.

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2. Celestial Galaxy Invitations

Send your guests into outer space, metaphorically speaking, with wedding invitations perfect for a galaxy-themed wedding. On the front, a celestial design frames your wedding details. Flip to the back, and you'll find a sky full of stars.

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3. Written in the Stars Invitations

Your love was written in the stars, was it not? That's the story you'll tell with these aptly themed wedding invitations and website. A banner of stars sparkles across the top, ushering guests into the beyond.

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Celestial Wedding Cakes

A celestial-themed wedding lends a lot of room for creativity when it comes to your wedding cake—think watercolor brush strokes, gold foil accents and moon or star cake toppers. These cakes nail the look.

4. Starry Night Wedding Cake

Don't just look to the stars for celestial inspiration, but to historical artists. This painted buttercream version of Van Gogh's "Starry Night" encased in layers of chocolate cake looks like a masterpiece in its own right.

5. Art Deco Celestial Wedding Cake

This confection is a delectable example of how you can blend a starry night wedding theme with another style, like art deco. The first tier boasts a fondant geometric design reminiscent of the 1920s, while the top tier is reminiscent of a galaxy.

6. Pastel Celestial Wedding Cake

Set upon a silver mercury pedestal, this celestial-themed, three-tiered lavender wedding cake is a piece of art. It features faux cracks, like a geode cake, and a long, structured white ribbon flowing down its side. Aluminum accents lend a contemporary, celestial twist.

7. Moon Topper Wedding Cake

Fondant silver and gray stars adorn two gray marbled tiers, evoking a dusky night sky on this beauty. We love the gilded moon topper accented with crystals for an extra celestial touch, perfect for a moon-themed wedding.

Celestial Wedding Decorations

You can have so much fun with celestial wedding decor, whether you want to mimic shooting stars or bring in playful zodiac touches (we're looking at you astrology lovers!). Consult your wedding decor checklist and then a bit of inspiration from these ideas.

8. Starry String Lighting

You don't need to have your reception outside for a starry night sky. Whether you're celebrating indoors or under a tent, create your own with string lighting and gold metal stars.

9. Celestial Wedding Arch

We're in love with this swoonworthy arch, which is used as an altar during the ceremony and acts as a backdrop to a sweetheart table during the reception. A thick garland of greenery and dusty rose florals frames an oversized crescent moon in a refreshing palette that departs from the classic celestial wedding colors of blues and blacks.

10. Modern Constellation Art

In search of the perfect entrance sign? Create custom constellation pieces that depict the night sky on the date and location of where you got engaged and your wedding day. It's a sweet, unique touch to welcome guests.

11. Celestial Wedding Backdrop

An under-the-stars wedding theme calls for icy blue wedding uplighting with a speckling of white star projections. It's the perfect backdrop for a celestial wedding reception.

12. Celestial Wedding Centerpieces

A moon and stars wedding theme is the perfect excuse to play into your love of astrology. For star wedding centerpieces, create table numbers featuring the constellation of each zodiac sign.

13. Cosmic Seating Charts

Play up your galaxy celestial wedding theme with seating charts that boast watercolor paintings of the earth for an otherworldly, ethereal feel. Propped on wood easels, they bring serious cosmic vibes to an industrial space.

14. Celestial Wedding Table Decorations

This elevated table setting screams celestial elegance with a gilded edge plate and matching flatware, a plate charger depicting the midnight sky and gold moon-shaped place cards. The look is both glam and chic.

Celestial Wedding Bouquets

When it comes to creating celestial-inspired wedding bouquets, lean into colors that play up the sky or whimsical celestial accents like charms to add to the arrangement.

15. Bohemian Celestial Wedding Bouquet

For light and airy celestial vibes, craft a bouquet of softly hued coral and pink flowers from a gold loop featuring a suspended moon and other geometric additions. The effect is ethereal and bohemian.

16. Midnight Blue Bouquet

For a bouquet of celestial wedding flowers, focus on blooms in varying shades of blue to evoke nighttime. This one marries dusty hues with navy, interspersed with pops of white for a cloud-like effect. Matching blue ribbons complete the look.