Translation:Today is your birthday, right?
よ is for asserting the truth or validity of a statement or an exclamation, and ね is asking for assurance. よね is like saying you're right while also asking for the person to agree with you.
このレストランは美味しいですよ。This restaurant really is very good. このレストランは美味しいですね。This restaurant is good, right? このレストランは美味しいですよね。This restaurant is good, isn't it?