Nothing is more awesome looking than an amazing outerspace themed party! So many kids want a party like this and who would blame them? Not to mention, outer space is kind of the best and the views are fantastic!

If you are planning a galaxy themed birthday party, you know you won’t want it to disappoint! You want it to feel like everyone is in outer space, so you can’t skimp out on anything star-like and sparkly!

We wanted to make life easier for you, so we went ahead and compiled a list of some of the greatest galaxy themed party decorations. Also, we added some great invitations and party decor templates you’ll want for your galaxy themed birthday party!   

We have designed an entire suite of matching Customize-able decorations and invitations as well! Edit them with Corjl, download them and print them out or text them out today! You can save an extra 25% on them by using the code SAVE25 at checkout!


1. You need this metallic outerspace balloon garland arch Kit for your galaxy themed birthday party!

This is such a great kit for your galaxy themed birthday party! It has 85 balloons to make your balloon garland as well as the balloon arch strip to help your make your garland as well (which makes creating balloon arches so much easier). It also comes with adorable Happy Birthday Balloon set and 6 star and moon foil balloons. The cutest thing is the astronaut ballon and the space foil balloon! You can Click Here to shop these on Amazon!

2. You need these irridescent twinkle star streamers and garland for your party!

Who wouldn’t want to add a bit of glitz to their galaxy themed birthday party? You need to have some stars around, and your galaxy wouldn’t be complete without this gorgeous garland! With 39 feet of garland, you can place it all over and have it sparkle up your home! Click here to shop this on Amazon!

3. You definitely need to add these Galaxy Party Dessert Plates and Napkins to your party decor!

Nothing makes a party more complete then some adorable dessert plates and napkins. They make your cake table look extra sweet! Add these plates with a set of solid color food plates and your dessert table will look fantastic!  Click here to shop these on Amazon!

4. Want a banner? You need this galaxy themed Happy Birthday banner for your party

I’ve used banners similar to this for my daughter’s birthday party, and I loved them! I didn’t need to use a stand, but was able to pin them up to where I was displaying them! This Happy Birthday Galaxy Banner will look adorable for your party! This one happens to come in three sizes, with the 5’x3′ being smallest, but much larger sizes if you are creating for a larger space! Put it at your dessert table or add it as a backdrop for a home made photo booth! Click here to shop these on Amazon!

I’m working on another set of party decorations for the galaxy themed birthday party as we speak! I’m planning on making matching tags, thank you cards, water bottle labels, and Mini Chocolate Wrappers! What else should I create for this theme? let me know in the comments below!

So would you consider using any of these for your galaxy themed birthday party? What items are you planning to use as decorations? I’d love to hear your decorating ideas as well! If you want, post pictures and tag me in them on Instagram or email them to me at! Leave me your ideas in the comments below!

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