Beaming King Frederik and Queen Mary of Denmark put on a united front amid rift rumours as they arrive in Sweden for their first state visit and are welcomed by King Carl Gustaf and Queen Silvia

King Frederik X of Denmark and his wife Queen Mary have put on a united front as they arrived in Sweden today for their first state visit since ascending to the Danish throne. Princess Sofia, Prince Carl Philip, Queen Mary, King Frederik, King Carl Gustaf, Queen Silvia, Prince Oscar, Crown Princess Victoria, Princess Estelle and Prince Daniel pose for a photo ahead of the reception at the Royal Palace as part of the Danish royal couple's state visit Queen Mary, King Frederik, King Carl Gustaf, Queen Silvia, pose for an official photograph ahead of the reception at the Palace Attending the reception for the Danish royal couple, heir to the Swedish throne Victoria, 46, looked radiant in a pink frock. Despite rumours the couple is dealing with marital struggles, the royals were all smiles when welcomed by King Carl XVI Gustaf and German-Brazilian-born Queen Silvia in Stockholm on Monday Australian-born Mary, 52, was the epitome of elegance in a white dress and royal blue shawl, while her beaming husband looked handsome in his military uniform Frederik, 55, was proclaimed king on January 14 after his 83-year-old mother, Queen Margrethe II, who was Europe's longest-reigning monarch, abdicated Queen Margrethe II's shock abdication came amid rumours of tension between her eldest son and his wife. Pictured, Queen Silvia, Queen Mary, King Frederik and King Carl Gustaf Queen Mary, King Frederik X, King Carl Gustaf and Queen Silvia at the Royal Palace in Stockholm, Sweden Princess Victoria of Sweden's children Princess Estelle and Prince Oscar at the welcome ceremony for the Danish King and Queen Princess Sofia, Prince Carl Philip, Queen Mary, King Frederik X, and King Carl XVI Gustaf pose for a photograph in the Hall of State at the Royal Palace in Stockholm, Sweden Speaking to Danish broadcaster, TV2, aboard their royal yacht Kongeskibet Dannebrog, the couple avoided questions about their relationship and instead doubled down on the strength of their marriage. Speculation about the state of Mary and Frederik's marriage first began after photos emerged of Frederik enjoying an evening out with Mexican socialite Genoveva Casnova in November last year In the Swedish capital, Frederik and Mary were first greeted by Crown Princess Victoria and her husband Prince Daniel, who boarded the Danish royal yacht Dannebrog They then took the gilded Swedish Royal Barge to shore and were welcomed there by King Carl Gustaf, Sweden's longest-reigning monarch, and Queen Silvia King Frederik X, King Carl XVI Gustaf, Queen Mary and Queen Silvia in the Hall of State at the Royal Palace in Stockholm The pair were seen walking through Madrid before heading to her apartment building, changing clothes and heading out again for the evening.