article_snippet: Joined by Crown Prince Frederik, 46, and King Willem-Alexander, 47, the two royals, who are long-standing friends, traded quips as Dutch royals made the crossing.
article_snippet: though Joined by Crown Prince Frederik, 46, and King Willem-Alexander, 47, the two royals, who are long-standing friends, traded quips as they made the crossing, the royals looked even more so during an evening reception celebrating Dutch culture at the Royal Library in Copenhagen.
article_snippet: King Willem-Alexander cracked a joke as King Willem-Alexander posed with the Danish royals outside the venue .
article_snippet: Close: The two couples, who are of a similar age, are known to be close friends .