Princess Estelle brings Queen Elsa to Crown Princess Victoria's 39th birthday: All the highlights

Even though it was Crown Princess Victoria's 39th birthday, it was Princess Estelle and Prince Oscar who had all eyes on them. While Victoria was showered with love by well-wishers at Solliden Palace, Estelle and Oscar were getting love of their own. Here is a look at the best moments from Victoria's birthday celebration. Photo: Getty Images

Crown Princess Victoria, Prince Daniel, their four-year-old daughter Princess Estelle and four-month-old Prince Oscar had all eyes on them as they celebrated Victoria's 39th birthday at Solliden Palace, their summer home on the island of Öland.Photo: Getty Images

Victoria was joined by her parents King Carl XVI Gustaf and Queen Silvia. During the ceremony, Victoria was given a 21-shot salute from the Skeppsholmen to signal the nationwide start of her birthday. Victoria told the crowd, "It is wonderful to be in Sweden, wonderful to be on Öland and wonderful to be with you here." Photo: Getty Images

Four-month-old Oscar made a rare public appearance on his mother's big day. The little Prince was last seen out with his family in May during his christening ceremony in Stockholm. Photo: Getty Images

Princess Estelle stayed close to her father during the celebration, latching on to him while Prince Oscar spent time with Princess Victoria. Photo: Getty Images

Although it wasn't her birthday, Estelle had her own balloon that read "Till Estelle" for the occasion. Photo: Getty Images

Crown Princess Victoria posed for a picture with Prince Daniel during the walkabout portion of her celebration. Photo: Getty Images

Victoria gave Estelle kisses while celebrating her 39th birthday. Photo: Getty Images

Princess Estelle and Princess Victoria shared a silly moment. Photo: Getty Images

As well-wishers showered her mom with gifts, Princess Estelle held on to her FrozenElsa toy.Photo: Getty Images

Prince Daniel shared a kiss with Prince Oscar, who had all eyes on him during Princess Victoria's birthday. Photo: Getty Images

Victoria accepted gifts from royal spectators, including fun jewelry, which she wore during her ceremony. Photo: Getty Images

While guests presented Princess Victoria with gifts such as food, flowers and photographs, Princess Estelle was standing by to help her mother carefully collect them. Photo: Getty Images

Prince Oscar let out an adorable yawn after taking in the excitement from his mother's celebrations in Prince Daniel's arms. Photo: Getty Images