Party Themes

From epic Bar and Bat Mitzvahs to the milestone birthday of your dreams, party themes offer cohesiveness (and fun) to your event. Here, you’ll find party themes for adult birthdays, kids birthday parties, rehearsal dinners, welcome parties or just-because gatherings. Click through some of our favorite party themes to find even more inspiration for your upcoming celebration, and get connected to the event professionals who will bring it to life on PartySlate.com.
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Intimate Library Dinner Party
This dinner party did not disappoint with the dark academia vibes in a traditional library. Discover all the unique spaces to host your next event on PartySlate
Valentine's Day Wedding Theme
Follow your "heart" to your seat at this wedding reception. View all the "love-themed" details on PartySlate.
Under the Sea Themed End-of-Year Event
This event brought the ocean to the function hall. Find the perfect theme for your corporate event on PartySlate.
Disney Princess Themed Children's Birthday Party
A Disney Princess themed party is not complete without a wand and tiara favor. Discover the perfect theme for your little one's party to perfectly match their personality on PartySlate.
Creative Bat Mizvah Event Themes
A bat mitzvah in the distinctive style of artist Keith Haring is the perfect ode to a pop of color. Explore 23 more themes sure to be unique on PartySlate.
Adorable Ponyville Kids Birthday Party
Make your kid's dreams come true with a festival themed party complete with a unicorn ride, ball pit, and endless food stations. See 15 children's party themes like you've never seen before on PartySlate.
Adorable Kids' Birthday Party Themes
An adorable tea party was the perfect ode to "Fancy Nancy" for this birthday party. Find the most unique kids' party themes on PartySlate.
23 Unique Bat Mitzvah Themes Your Teen Will Love
All aboard for Sylvi's adorable subway-themed Bat Mitzvah! Find the most unique Bat Mitzvah themes on PartySlate.
Summer Solstice Tented Party at Nemacolin
We are swooning over the details of this celestial party — from the sundial place settings to the star-studded guest list. See photos from the event on PartySlate.
Summer Solstice Celebration at Nemacolin
To ring in the longest day of the year, Nemacolin hosted a 3 day Summer Solstice Celebration — complete with dazzling sun decor and star-studded entertainment. View all the details on PartySlate.
1st Birthday at the Racetrack Kid's Party Theme
F1 birthday party for turning 1? Yes please. Find adorable themes for your kid's next birthday on PartySlate.
James Bond Themed 70th Birthday
No better theme to ring in 70 than double-o seven. Find the most unique birthday party themes on PartySlate to ensure your milestone birthdays are full of memories.
Pickleball Themed Party
PartySlate predicts varsity chic will be a popular trend for 2025... and that includes pickleball. Find inspo for your upcoming events this year with the help of PartySlate's 2025 list.
Party Favors for "Girls Night Out" Party
Treat your guests with all the self care essentials as party favors. See how Pink Wasabi's party set the standard on PartySlate.