Photo: Linda Broström/Kungliga HovstaternaPrince Oscar is growing up so fast!As the prince rang in his 4th birthday on Monday, the Swedish Royal Family shared two adorable black-and-white portraits of the young royal on their official Instagram account. In one, he is smiling as he gazes out a window (looking just like his father Prince Daniel!) and in another he poses with his big sister, Princess Estelle, 8.“Today, Prince Oscar turns 4!” the post was captioned.Prince Oscar is youngest child of Crown Princess Victoria and Prince Daniel, making him third in line for the Swedish throne after his sister.Linda Broström/Kungliga HovstaternaThe pictures were taken in mid-February at Haga Castle outside Stockholm, where Estelle and Oscar live with their parents.Just last week, Princess Estelle celebrated a birthday of her own, as the royal family also shared portraits of her and her brother for her 8th birthday. Days before that, Princess Leonore, Estelle and Oscar’s cousin, Princess Leonore, the oldest child of Princess Madeleine and Christopher O’Neill, celebrated her 6th birthday in Miami, where the family relocated in the fall of 2018.Prince Oscar and Princess Estelle.Linda Broström / Courtesy Royal CourtCan’t get enough ofPEOPLE‘s Royals coverage?Sign up for our free Royals newsletterto get the latest updates onKate Middleton,Meghan Markleand more!In October, King Carl XVI Gustaf announced hisdecision to have some of his grandchildren’s royal titles stripped. The palace announced that the children of Princess Madeleine and Chris O’Neill, as well as Prince Carl Philip andPrincess Sofia,are no longer official members of the royal house, which means they are no longer expected to perform official royal duties.

Photo: Linda Broström/Kungliga Hovstaterna

HRH Prince Oscar celebrates his 4th birthday

Prince Oscar is growing up so fast!As the prince rang in his 4th birthday on Monday, the Swedish Royal Family shared two adorable black-and-white portraits of the young royal on their official Instagram account. In one, he is smiling as he gazes out a window (looking just like his father Prince Daniel!) and in another he poses with his big sister, Princess Estelle, 8.“Today, Prince Oscar turns 4!” the post was captioned.Prince Oscar is youngest child of Crown Princess Victoria and Prince Daniel, making him third in line for the Swedish throne after his sister.Linda Broström/Kungliga HovstaternaThe pictures were taken in mid-February at Haga Castle outside Stockholm, where Estelle and Oscar live with their parents.Just last week, Princess Estelle celebrated a birthday of her own, as the royal family also shared portraits of her and her brother for her 8th birthday. Days before that, Princess Leonore, Estelle and Oscar’s cousin, Princess Leonore, the oldest child of Princess Madeleine and Christopher O’Neill, celebrated her 6th birthday in Miami, where the family relocated in the fall of 2018.Prince Oscar and Princess Estelle.Linda Broström / Courtesy Royal CourtCan’t get enough ofPEOPLE‘s Royals coverage?Sign up for our free Royals newsletterto get the latest updates onKate Middleton,Meghan Markleand more!In October, King Carl XVI Gustaf announced hisdecision to have some of his grandchildren’s royal titles stripped. The palace announced that the children of Princess Madeleine and Chris O’Neill, as well as Prince Carl Philip andPrincess Sofia,are no longer official members of the royal house, which means they are no longer expected to perform official royal duties.

Prince Oscar is growing up so fast!

As the prince rang in his 4th birthday on Monday, the Swedish Royal Family shared two adorable black-and-white portraits of the young royal on their official Instagram account. In one, he is smiling as he gazes out a window (looking just like his father Prince Daniel!) and in another he poses with his big sister, Princess Estelle, 8.

“Today, Prince Oscar turns 4!” the post was captioned.

Prince Oscar is youngest child of Crown Princess Victoria and Prince Daniel, making him third in line for the Swedish throne after his sister.

Linda Broström/Kungliga Hovstaterna

HRH Prince Oscar celebrates his 4th birthday

The pictures were taken in mid-February at Haga Castle outside Stockholm, where Estelle and Oscar live with their parents.

Just last week, Princess Estelle celebrated a birthday of her own, as the royal family also shared portraits of her and her brother for her 8th birthday. Days before that, Princess Leonore, Estelle and Oscar’s cousin, Princess Leonore, the oldest child of Princess Madeleine and Christopher O’Neill, celebrated her 6th birthday in Miami, where the family relocated in the fall of 2018.

Prince Oscar and Princess Estelle.Linda Broström / Courtesy Royal Court

Princess Estelle of Sweden, here with her brother Prince Oscar

Can’t get enough ofPEOPLE‘s Royals coverage?Sign up for our free Royals newsletterto get the latest updates onKate Middleton,Meghan Markleand more!

In October, King Carl XVI Gustaf announced hisdecision to have some of his grandchildren’s royal titles stripped. The palace announced that the children of Princess Madeleine and Chris O’Neill, as well as Prince Carl Philip andPrincess Sofia,are no longer official members of the royal house, which means they are no longer expected to perform official royal duties.

source: people.com