I am looking for a translation for" Live your dreams". possibly also for "Have fun doing it"

this will be for a tattoo.

thank you in advance for any help you can give me.

Perhaps something like this,

Comhlíon do chuid bhrionglóidí
Fulfill your dreams.

Bain sult as a dhéanamh
Enjoy doing it.

Please wait for other opinions.

I associate brionglóidí with dreams at night. Is it broader than that? What about something like 'Comhlíon do chuid uaillmhianta' - Fulfil your ambitions.

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True.

What about "aislingí" instead.
OP, "Aisling" is a particular type of dream in Irish poetry. But taken less literally I can it can be used here.

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It is recommended that you always wait for three to agree on a translation.
I speak Connemara Irish, and my input will often reflect that.
I will do an mp3 file on request for short translations.
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I think fíoraigh may be more apt than comhlíon.

Déan do chuid aislingí a fhíorú - "Fulfil/realise/live/follow your dreams".

Go bhfíoraí tú do chuid aislingí - "May you ditto".

Cuir do chuid aislingí i grích - (Another way to say) "Fulfil your dreams".

aprilmck, in Irish, dreams aren't literally "lived", hence the use of verbs meaning "fulfil" etc. Don't do anything without any of the versions given so far being confirmed (but don't hold your breath). I would certainly defer to anything offered by Bríd Mhór.

Why not just Fíoraigh do chuid aislingí then. And just how necessary is the do chuid bit? (Yes, it sounds natural to me and I understand its use, but is it absolutely necessary in good Irish?)

BTW a wee typo: i gcrích

That question could lead to an entire philosophical debate on what constitutes "good" in any language. Often "good" English doesn't quite sound right either, and I think in those cases most (but not all, of course) people would tend to go with what sounded "right" to their ear rather than what the grammar books tell them.

Fíoraigh do chuid aislingí

This sounds okay to me (but of course, like Errigal, I too would defer to the gut feelings of a native speaker like Bríd.)

I learned that you don't usually put possessive adjectives with plural nouns in Irish without an intervening "chuid", but it is true that Graiméar Gaeilge na mBráithre Críostaí only says is minic, not "always":

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Múinteoir Gaeilge - Irish Teacher
My "specialty" is Connemara Irish, particularly Cois Fhairrge dialect, but I can also speak Ulster and Munster Irish with native-level pronunciation.
Is fearr Gaeilge ḃriste ná Béarla cliste, cinnte, aċ i ḃfad níos fearr aríst í Gaeilge ḃinn ḃeo na nGaeltaċtaí.
Gaeilge Chonnacht (GC), go háraid Gaeilge Chois Fhairrge (GCF), Gaeilic Uladh (GU), Gaelainn na Mumhan (GM), agus Gaeilge an Chaighdeáin Oifigiúil (CO).