U.S. actor Alec Baldwin has confirmed he is engaged to 28-year-old yoga instructor Hilaria Thomas. \"Yes, it\'s true! Alec proposed to Hilaria this weekend and we\'re all excited for the newly engaged couple,\" Baldwin\'s representative told People.com Monday. \"Alec\'s birthday is tomorrow -- great way to celebrate!\" No other details regarding how, when and where the \"30 Rock\" star popped the question were reported. Baldwin, 53, has been dating Thomas since last summer. He was previously married to actress Kim Basinger. Baldwin and Basinger are the parents of a 16-year-old daughter named Ireland.