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* PRINCE CHRISTIAN, 15, WAS CAPTURED ALONGSIDE HIS THREE SIBLINGS IN THE LATEST CLIP * FAMILY SEEN CELEBRATING THE FOURTH SUNDAY OF ADVENT IN THE LEAD UP TO CHRISTMAS * PRINCESS MARY AND HER
FAMILY WERE FORCED TO SELF ISOLATE EARLIER THIS MONTH By JESSICA GREEN FOR MAILONLINE Published: 11:39 EDT, 21 December 2020 | Updated: 12:02 EDT, 21 December 2020 Princess Mary of
Denmark's eldest son Christian has been seen for the first time since contracting coronavirus. The second in line to the Danish throne took part in a special clip on the royal
family's Instagram account, celebrating the fourth Sunday of Advent in the lead up to Christmas. Prince Christian, 15, was captured alongside his siblings Isabella, 13, and twins
Vincent and Josephine, 9, as they watched their father Crown Prince Frederik light the last candle on a wreath as one of the country's festive traditions. Princess Mary, 48, her
husband, 52, and their children were forced to self isolate in Frederik VIII's Palace in Copenhagen for two weeks after Prince Christian tested positive for coronavirus. The palace
confirmed Prince Christian contracted the virus following an outbreak at his secondary school. Scroll down for video Prince Christian appeared to be all smiles in the video, with his mother
Princess Mary looking effortlessly stylish in a high-neck jumper and long line coat. The video was posted to Instagram with the caption: 'The Crown Prince's family sends a
Christmas greeting from their home in Frederik VIII's Palace at Amalienborg.' Prince Frederik also wished everyone a 'Happy Christmas' before the family were seen
enjoying a cup of tea around the kitchen table. An important tradition in Danish families is the celebration of the four Sundays before Christmas with the lighting of one of the four
candles on the advent wreath. 'The Crown Prince and Crown Princess were informed yesterday, Sunday 6 December 2020, of a local outbreak of COVID-19 at Tranegårdskolen in Hellerup,'
the palace said at the time. 'Prince Christian has subsequently tested positive for COVID-19. His Royal Highness is in isolation in Frederik VIII's Palace at Amalienborg.
'Other than the Crown Prince family, Prince Christian has not been in contact with other members of the royal family very recently.' Prince Christian isolated until December 14,
while the rest of his family tested negative for coronavirus. The Crown Prince couple went into isolation with their four children at Fredensborg Palace in Denmark when the COVID crisis
began in March. The family chose to return to their spring and autumn residence from southwestern Switzerland, where the children had been taking a 12-week course at the Lemania-Verbier
International School. They usually attend the Tranegård School in Gentofte, Denmark, but had been studying at the Swiss boarding school to further their international experience. Denmark
gradually lifted its lockdown from April 14, but Mary and Fred appeared to stay home until mid-May, offering rare glimpses into their personal life by sharing sweet family photos on their
official Instagram account. Denmark is currently facing strict coronavirus restrictions that will remain until January 3, with businesses selling non-essential items closed.