Prince William & Princess Kate attended the Six Nations Rugby Tournament in Cardiff wearing red houndstooth coats.

Catherine Walker's coat has tailored long sleeves and a double-breasted buttoned design.

Some fans wondered if Kate was making a message by repurposing her maternity clothing.

Fans have taken to social media to talk about the coat and speculate about a possible pregnancy announcement.

Kate was spotted singing the Welsh national anthem before the match, while William is a supporter of the Welsh Rugby Union.

The couple found themselves on opposite sides as Wales hosted England for their Six Nations Rugby clash.

They both cheered and applauded their respective teams, appearing to be strong rivals and sports lovers.

Kate has a signature patterned outerwear in her wardrobe.

Fans are eagerly waiting for more details and updates.