Ed Sheeran has penned an original song titled 'Under the Tree' for Richard Curtis's upcoming animated film, That Christmas, which is based on Curtis's children’s book trilogy. The film, scheduled for release on December 6, features a star-studded voice cast including Brian Cox as Santa, Fiona Shaw, Jodie Whittaker, and Bill Nighy. Sheeran expressed enthusiasm for the project, noting the emotional depth of the film's scenes and the lack of quality animated Christmas movies for children. He described working with his brother on the song as a rare and meaningful experience, highlighting the importance of family themes during the holiday season. Curtis praised Sheeran's contribution, calling the song beautiful and fitting for the film's heartfelt narrative. The film aims to resonate with audiences by addressing the poignant realities of Christmas for many families.