"Thank you for coming to my party!" in English is Merci d'être venus à ma fête! in French.
"Party" in English is fête or soirée in French.
"It's a party!" in English is C'est la fête! in French.
"A large party" in English is une grande fête in French.
"Come to the party!" in English is Venez à la fête! in French.
"la fête"
"I want to party!" in English is Je veux faire la fête!in French.
"We're going to party!" in English is On va faire la fête! in French.
"You are invited to a party!" in English is Vous êtes invité à une fête! in French.
"Are you enjoying the party?" in English is Tu t'amuses bien à la fête? in French.
j'ai fait la fête
"fête" means feast or party