Before marrying Prince Carl Philip in 2015 and becoming a princess of Sweden, Sofia was a glamour model and reality television contestant.

[22] On 27 June 2014, the couple's engagement was announced,[23] and in December, Hellqvist made an appearance at the Nobel Banquet with her future husband.

[27][28][29] On 19 April 2016, Sofia gave birth to their first child, Prince Alexander Erik Hubertus Bertil, Duke of Södermanland.

[33] Their fourth child, a daughter, Princess Ines Marie Lilian Silvia, Duchess of Västerbotten, was born on 7 February 2025.

[39] In 2010, Hellqvist was one of the co-founders of non-profit organisation Project Playground, a charity that assists underprivileged children in South Africa.

[40] In April 2020, the Princess completed a three-day emergency online training course from Sophiahemmet University, created to help hospitals amidst the COVID-19 pandemic.

It was announced that she would work as a volunteer at the Sophiahemmet Hospital in Stockholm, where she would support "doctors and nurses through kitchen shifts, disinfecting instruments and cleaning.