"Inside Prince Christian's Lavish 18th Birthday Gala: Danish Royal Family's Personal Album Reveals Never-Before-Seen Photos"

Prince Christian of Denmark celebrated his 18th birthday with a wave to crowds from the Amalienborg Castle balcony in Copenhagen. The future king, considered one of Europe's most eligible bachelors, will later attend a grand gala with members of various European royal families. The Danish Royal House shared heartwarming childhood photographs of Christian, including moments with his late grandfather. Flags were raised throughout the country to honor the future king, and 15 October has been declared an official flag day. The gala dinner, attended by notable guests, will be broadcast live on television.