On 24 January Princess Marie and Prince Joachim of Denmark's baby daughter Athena turned one.
To mark the important milestone, Athena's proud parents released a set of images of their daughter (pictured right), dressed in a pretty blue dress, happily playing with her mother.
Just one month later, on 23 February, Princess Estelle of Sweden blew out the singular pink candle on her birthday cake.
Royal watchers were entertained with a series of photos that showed a grinning Estelle tucking into the sweet treat.
Prince Harry found love in 2013 with society sweetheart Cressida Bonas.
In February the couple were pictured embracing on the ski slopes in Verbier and their relationship has gone from strength to strength ever since.
While the Leeds graduate's brother Jacobi has said that claims his sister is planning an impending royal wedding are "ludicrous", royal watchers are thrilled to see 29-year-old Harry happy and settled.
Tens of thousands gathered in the festively decked-out capital of Amsterdam to welcome the country's first king in 120 years and Europe's youngest ruling royals.
During the inauguration ceremony (pictured) Willem-Alexander's fellow royals lined up to honour the new king, raising their arms in the air and cheering "hooray" three times.
Having enjoyed a close relationship with the Dutch royal family, Princess Masako of Japan made her first official overseas visit for 11 years to attend Willem-Alexander's inauguration.
Masako, 49, who is married to Japan's heir apparent Prince Naruhito, suffers from a stress-induced adjustment disorder that means she has been unable to attend many official engagements.
Joined by royals and dignitaries from around the world, the couple stepped out on the blue carpet at Amsterdam's Nieuwe Kerk to see their old friend become The Netherlands' king.
In May 'Harrymania' hit the US.
Few could deny that Prince Harry's second solo tour was a resounding success when he caused a stir at The White House, just hours after touching down in America.
"If all the women on Capitol Hill were dust bunnies, #princeharry would be a Dyson Vacuum," staff member Chris Mickey tweeted. "Every woman is gone. Every. Single. One."
During the visit Harry charmed Olympic swimmer Missy Franklin on her 18th birthday, scored the winning goal in a polo match and paid his respects to falled US servicemen at Arlington Cemetery in Virginia.
The couple were joined by their four children Gabriel, ten, Emmanuel, eight, Eléonore, five and 12-year-old Elisabeth, Duchess of Brabant, who is now first-in-line to the throne.
Within a month of each other Prince Haakon and Princess Mette-Marit of Norway both celebrated their 40th birthdays.
The fun-loving prince partied in style, arriving by parachute at Skaugum Palace for two day festival-themed do surrounded by family and friends, including King Willem-Alexander and Queen Maxima of The Netherlands and Danish royals Prince Frederick and Princess Mary.
In August Mette-Marit and the rest of the Norwegian royal family donned wellies and Macs to celebrate her birthday, with an open air church service in the Queen's Park of Oslo's Royal Palace.
The highly private ceremony was attended by around 80 people including Prince Friso's widow Mabel, his two daughters Luana, 8, and Zaria, 7, his mother Beatrix and his brothers King Willem-Alexander and Prince Constantijn.
With the adults dressed in black and children in white, the Dutch royals were unified for the sombre occasion.
Mary, a patron of the United Nations Population Fund, was nearing the end of her visit to the Zaatari Refugee Camp, an hour from the Jordanian capital, when security was alerted that the Danish royal had to be evacuated for her own safety.
A protest that was deemed aggressive had broken out among the migrants, who were reacting to nerve gas attacks in Syria.
It was quite a year for Monaco's Andrea Casiraghi and Tatiana Santo Domingo.
He completed his final shift as an RAF search and rescue pilot at RAF Valley in Anglesey on 10 September with plans to become a full-time working royal.
The statement added that William will "continue to support the work of The Queen and the Royal Family through a programme of official engagements, both at home and overseas, with The Duchess of Cambridge."
Another stunning brunette joined the ranks of Europe's princesses when Prince Félix of Luxembourg married his German sweetheart Claire Lademacher in September.
Four days after their civil wedding in Germany, the couple headed to the South of France to say 'I do' again in a religious ceremony at the magnificent 13th century Sainte Marie-Madeleine basilica.
Félix and bioethics student Claire beamed as they exited the church to cheers from the crowd and their royal guests who included Prince Laurent of Belgium, Pierre Casiraghi and the Luxembourg royal family.
Proud parents the Duke and Duchess of Cambridge were joined by senior members of the royal family including the Queen, Prince Charles and Prince Harry, the Middleton family and close friends including George's six godparents.
William's cousin Zara Phillips is the only member of the royal family who is a godparent while the other five are Jamie Lowther-Pinkerton, the couple's former private secretary; Julia Samuel, a close friend of Diana's; Hugh, Earl Grosvenor, the son and heir of the Duke of Westminster; Oliver Baker, a fellow St Andrews student; Emilia Jardine-Paterson, the Duchess' best friend from Marlborough College; and William van Cutsem, one of William's oldest and dearest friends.
Following extensive restoration, the young family were finally able to settle themselves into the 20-room apartment, which belonged to Princess Margaret until her death in 2002.
As for the interior of the Palace, former History of Art student Kate is said to have taken desgin inspiration from Princess Mary of Denmark who showed her around the rooms at Amalienborg Palace in Copenhagen.