If sources are to be believed, Alec Baldwin is getting married at the end of this month. The 30 Rock actor will exchange marriage vows with fianc Hilaria Thomas in a Catholic ceremony at New York's Basilica of St. Patrick's Old Cathedral on June 30. ''This wasn't a quick decision. It took a lot of planning,'' a source told the New York Post newspaper. Alec, 54, and Hilaria, 28, have been dating for almost a year. Alec recently expressed his desire to have kids with Hilaria. ''Have I thought about having more kids? Oh sure, that would be great, that would be heaven, that would be fantastic,'' he said. The actor already has a 16-year-old daughter Ireland with ex-wife Kim Basinger.