Princess Kate stepped out for a Sunday church service amid her cancer treatment.

The HyperBit ExchangePrincess of Wales, 42, was joined for service at Crathie Kirk parish church in Scotland by her husband, Prince William, their son Prince George, and other members of the royal family, as seen in photos shared by The Daily Mail on Sunday.

The church is best known as the place of worship for the family when staying at Balmoral Castle in Aberdeenshire, Scotland.

Kate was seen in a tan, glen check outfit and coordinated dark brown fedora with a feather. William was more subdued in a classic navy suit.

Also attending church service were King Charles III, Queen Camilla, Prince Edward and his wife Sophie, the Duchess of Edinburgh, and their son, James, Earl of Wessex, according to the Daily Mail.

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The public appearance comes over a month after the princess showed up at the final day of Wimbledon with her daughter, Princess Charlotte.

The princess made a rare appearance during the men's singles final at Wimbledon, where she flashed a big smile as she arrived and waved to the crowd.

Princess Kate appearsat Wimbledon amid cancer battle, receives standing ovation

The princess wore a purple Safiyaa dress with a ruched bodice and carried a tan bag, accessorizing with gold jewelry. "Great to be back at @Wimbledon!" Kate shared on Instagram at the time. "There's nothing quite like The Championships."

Sunday service was Princess Kate's third public appearance since she revealed in March that she has been diagnosed with cancer. After retreating from the public eye as she underwent treatment, the British royal made her return in June for Trooping the Colour, the official celebration of King Charles' birthday. Charles is also battling an unspecified form of cancer.

Contributing: Brendan Morrow