Wales winger George North has been ruled out of the side to face New Zealand on Saturday, after picking up a hip injury in training.
Liam Williams, who's 21 and plays with North at the Scarlets, has replaced him in the starting line-up.
Wales say North could still return for the last game of the autumn series, against Australia.
More top news
The three-day event in the Welsh capital is expected to attract more than 20,000 visitors.
Steve Ashton's picture of a jacket potato and corned beef served to his 81-year-old mother has been shared 130,000 times on Facebook.
The Welsh Conservatives pledged 'continued economic recovery' as they launched their manifesto in Builth Wells this afternoon.