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Planning a baby shower with an “over the moon” theme can create a charming and memorable celebration. Finding the right decorations truly sets the mood and makes the event feel special.

Here are 15 simple and stylish over the moon baby shower decor ideas to spark your planning.
Whether you’re leaning gender-neutral or want something extra festive, these ideas should help you pull together a lovely atmosphere.
1. Gold star napkins with blue background

Gold star napkins on a blue background always look elegant at a baby shower. They’re simple, fit the moon and stars vibe, and play nicely with other blue and gold touches.
2. Moon and stars balloon arch

A moon and stars balloon arch brings a soft, dreamy look. The combo of gold stars and white or navy balloons just feels right for the theme.
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I usually set the arch at the entrance or behind the gift table. It creates a calm, festive mood without going overboard.
3. Twinkle twinkle little star photo backdrop

A twinkle twinkle little star photo backdrop brings a gentle, starry vibe. It’s great for photos and doubles as a sweet bit of party decor.
4. Cloud-shaped helium balloons

Cloud-shaped helium balloons give the space a soft, dreamy lift. They’re easy to arrange and always seem to match moon and star decorations.
5. Gender-neutral moon and stars invitations

Gender-neutral moon and stars invitations set the tone right from the start. Gold moons and stars on soft backgrounds work for any baby, any shower.
6. Shimmering celestial table runners

Table runners with moon and star designs add a subtle shimmer. They fit the theme and make any table—inside or out—feel a bit more magical.
7. Gold moon centerpiece with LED lights

A gold moon centerpiece, especially with a few LED lights, brings in a warm, magical glow. It’s simple, but it really pops on the table.
8. DIY moon phase garland

I put together a moon phase garland with some dollar store finds. Showing the moon’s phases adds a personal touch without breaking the bank.
9. Purple and pink over the moon banners

Purple and pink banners bring in soft color that pairs nicely with stars and moon shapes. Watercolor effects or simple moons keep it calm and pretty—never too much.
10. Starry night themed cupcakes

Star and moon shapes on cupcakes? Always a hit. A little silver sprinkle or edible glitter adds just enough sparkle.
Dark blue or black frosting makes those stars really pop. These cupcakes fit right in with all the moon and star decor.
11. Over the moon cake topper

An over the moon cake topper adds a little magic to the cake. Usually, it’s a simple moon and stars—nothing too busy, but it makes the cake feel special.
12. Celestial glitter confetti

Celestial glitter confetti brings some sparkle to the tables. It’s usually moon and star shapes, and you can sprinkle it pretty much anywhere for a quick boost of shine.
13. Star-shaped cookie cutters for treats

Star-shaped cookie cutters are great for making cute, themed treats. I use them for cookies, fondant, even brownies sometimes. Different sizes make it easy to mix things up.
14. Pink and purple lanterns with moon cutouts

Pink and purple lanterns with moon cutouts give off a gentle, dreamy glow. They’re simple, but the celestial touch just works. Sometimes, less really is more.
15. Moon and stars hanging mobiles

I love bringing in moon and stars mobiles for baby showers—they just give everything this soft, dreamy vibe. Hang them over a crib, the gift table, honestly anywhere you want a little extra coziness. Plus, they seem to fit right in with almost any nursery theme you can think of.