Royal Wedding

American sibling song-and-dance team Tom (Astaire) and Ellen (Powell) are in London in 1947. England is in a tizzy over the impending nuptials of Princess Elizabeth and Prince Philip. Ellen falls for the dashing Lord John Brindale (Lawford), and Tom becomes equally smitten with the elegant Anne Ashmond (Churchill).

A brother and sister dance act encounter challenges and romance when booked in London during the Royal Wedding.