Rosie O’Donnell’s son is married! Blake O’Donnell exchanged vows with his longtime girlfriend Teresa Garofalow Westervelt in a ceremony held on Friday evening, Aug. 16. Rosie, 62, posted photos of the sweet occasion on her Instagram on Saturday, including a shot of the newlyweds sharing an intimate moment together during their first dance. “The O’Donnell’s first dance,” Rosie captioned the …