Massachusetts ceremony, with 42-year-old Will and 46-year-old Drew's two daughters, Olive, 8, and Frankie, 6, acting as flower girls.
Will's sister Jill shared a series of photos of the special day on Instagram on Monday, including two of Olive and Frankie wearing sweet white dresses.
Other snaps saw Will and Alexandra, 33, sharing a kiss after exchanging vows while backdropped by the stunning Nantucket Island scenery.
Will and Alexandra exchanged vows at Sankaty Head Beach Club and were joined by a large group of friends and family. Will looked dapper in a navy suit while bride Alexandra wowed in a beautiful silk gown.
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