Prince Oscar is getting so big!

Princess Victoria of Sweden showed off her adorable baby son at his royal Christening in Stockholm on the morning of Friday, May 27.

prince oscar christening getty images

Victoria, Oscar, Daniel and Estelle on May 27.

For the special occasion, Victoria, 38, donned a white broderie anglaise dress with a matching hat while her little boy wore a traditional lace Christening gown. The duo were joined by Victoria's husband, Prince Daniel, 42, and their four-year-old daughter, Princess Estelle.

RELATED: Sweden's Prince Carl Philip and Princess Sofia Welcome Baby No. 1 — Find Out Their Son's Cute Name!

Victoria and Daniel — who married in June 2010 — welcomed Oscar in March 2016 and Estelle in February 2012.