The photos were taken during while the royal and her family, who live in London, flew in for a special visit to Sweden last week.
During the celebrations both girls demonstrated their independent spirit: while her mom was on duty as a godmother to the young prince, Princess Leonore showed off some dance moves to more than 150 guests during the relaxed – but impressive – 48-minute ceremony.
• Want to keep up with the latest royals coverage? Click here to subscribe to the Royals Newsletter.
When a reporter asked Prince Daniel for a comment in the palace courtyard outside afterwards, scene-stealing Princess Estelle jumped in with a winning smile and replied “Everything is great!”
Related Video: Royal Flashback: Prince William and Prince George’s Christenings
Prince Nicolas, who was himself christened at Stockholm’s Royal Chapel in October 2015, took an unusual accessory along to the church service.
Held in the arms of his financier father Chris O’Neill, the sweet 11-month-old prince spent much of the service apparently enthralled by his latest toy: an illuminated toothbrush.
On Sunday, Sweden’s Royal Palace also released official new photographs of Prince Oscar, third in line to the nation’s throne, with his family.