Prince Louis turned to mum Kate and told her "we're looking out for each other" in a touching teaser video for her annual carol concert, a lip reader has claimed.

hosted the annual event at Westminster Abbey on December 6 after a difficult year of health battles including preventative chemotherapy treatment.

The teaser video, shared on The Prince and ' , shows a series of clips from the service ahead of it being aired on ITV1 at 7.30pm on Christmas Eve. A number of fellow royals attended to show their support for the Princess, including Kate's three children 11, Princess Charlotte, 9, and Prince Louis.

The Princess spoke of how love and empathy should go beyond the festive period and spoke of the importance of kindness and forgiveness.

In a heartfelt clip shared online, Kate is seen looking down at Prince Louis, 6, and smiling, before he tells her "we're looking out for each other", according to lip reader Nicola Hickling, The Sun reports.

It comes after called 2024 the "hardest year in my life" as the family faced a series of hardships, including Prince Charles' cancer diagnosis, and Princess Kate's shock cancer announcement. A touching interraction at the end of the teaser sees Kate smiling lovingly at Louis as he shares a reassuring message.

On the Wales' Instagram post, a caption reads: "This service reflects upon the importance of love and empathy, and how much we need each other, esecially in the most difficult time of our lives. Thank you to everyone who has been a part of this year's celebrations."

In a pre-recorded introduction to the Christmas carol services, which highlighted the importance of unity, Kate is heard saying: “Christmas is one of my favourite times of the year, it is a time for presents, tinsel and mince pies, but it’s also a time to slow down and reflect on the deeper things that connect us all."

She adds that love and empathy - the themes of this year’s event - should extend beyond the festive period, and promotes kindness and forgiveness.