Acrobatic catches and thumping hits are why American football fans watch the Super Bowl but for others the non-sporting spectacle is much more interesting.

We've selected a few things to look out for during the contest between the Philadelphia Eagles and the Kansas City Chiefs, which kicks off at 23:30 GMT (18:30 EST) on Sunday, 9 February at the Superdome in New Orleans, Louisiana.

Kendrick Lamar will be the star turn during the half-time show and the unlikely ties binding David Beckham and Matt Damon will be revealed – oh, and Taylor Swift might be showing off a new ring too.

The Compton rapper will be headlining the musical interlude for a second time when he takes the stage on Sunday, during which he will be supported by SZA.

Lamar is fresh off a successful year at the Grammy Awards where he scooped five prizes, including song of the year for Not Like Us – a diss track directed at hip-hop rival Drake.

It may seem a certainty for the set list but Lamar might choose not to play it after Drake filed a lawsuit claiming defamation and harassment last month.

Will he back down or will the feud reach what might be the largest television audience in US history? Last year's Super Bowl set the record with more than 123 million Americans tuning in.

Travis Kelce will be hoping to win his fourth Super Bowl ring and he may retire if he does – certain in the knowledge he will go down as one of the great gridiron players.

For many viewers he is

© BBC