The track and Katy will appear in a mobile game.

Do you agree?

The BBC's annual list of music acts tipped for success in the year ahead is unveiled.

Plus, there are high-ranking new entries from Dalton Harris and Mark Ronson & Miley Cyrus.

The rising star is poised to become 2019's big breakout star.

Mark Ronson & Miley Cyrus claim this week's highest new entry.

The 1975 take out their third Top 5 album while Michael Bublé's Christmas is back in the Top 10.

A festive sight for sore eyes...

Do the biggest Christmas songs released this decade hold a candle to the likes of Mariah, Wham and Shakin' Stevens?

Find out who could be 2019's biggest new face in music.

The 1975 are the first British band since Arctic Monkeys to debut at Number 1 with their first three albums.

Check out this week's new single, album, DVD and Blu-ray releases.

From The Pogues and ABBA to Bruno Mars and Kate Winslet(!), look back at the Xmas chart toppers in Ireland.

Check out and listen to the Official UK Top 40 from this week 15 years ago, including Girls Aloud, Michael Jackson and No Doubt.