Are themed birthday parties fun or just annoying, and what ideas work best?

Are themed birthday parties fun or just annoying, and what ideas work best?

Are they fun or irritating?

My 20th was a “death to my teens” party so everyone wore black.
My 21st was not themed and I don’t know what to do with my 22nd.

if you do enjoy them, what are some ideas?

Are themed birthday parties fun or just annoying, and what ideas work best?
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