article_snippet.sent: Four-year-old Vincent appeared more interested in scaling the balcony rails .
article_snippet.sent: Also on the palace balcony was Margrethe's second son, Joachim, 45, Prince Christian French wife Princess Marie, Prince Christian children from Prince Christian first marriage, Nikolai, 15, and Felix, 12, and Prince Christian youngest two, Henrik, five, Athena, three.
article_snippet.sent: Despite being without Prince Henrik, the appearance proved a cheerful affair - largely thanks to the antics of four-year-old Prince Vincent, who did Prince Joachim best to scale the railings of the palace balcony.
article_snippet.sent: Held back by Prince Joachim father, the youngster smiled mischievously and was quickly copied by his father twin sister Josephine - much to their mother Princess Mary's amusement.
article_snippet.sent: Girls together: Prince Joachim holds Prince Joachim three-year-old daughter Athena, while Crown Princess Mary clutches four-year-old Josephine .
article_snippet.sent: Frederik, meanwhile, was content to wave to the crowd and at one point leaned down to whisper in the ear of Frederik older son, nine-year-old Prince Christian.
article_snippet.sent: Excited: Prince Joachim's youngest son Henrik, five, (in blue coat) looked thrilled to be taking part .