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Kansas City Chiefs beat the San Francisco 49ers during a tense Super Bowl at the Allegiant Stadium in Las Vegas, USA.

It's the third Super Bowl the Chiefs have won in the past five years - made all the more exciting by an appearance in the crowd of a singing megastar.

Taylor Swift flew in to support her boyfriend, Chiefs' Travis Kelce, straight from one of her concerts in Tokyo the night before.

Read on to find out who performed at the world-famous half-time show and everything else you need to know about the biggest sporting event in the US.

What happened at Super Bowl 58?

In the end, the Chiefs beat the 49ers 25-22, despite the 49ers being slight favourites going into the game.

The game headed into overtime when the Chiefs equalised at 19-19. Despite going ahead 22-19, the Niners couldn't turn it into a win.

Patrick Mahomes threw the winning touchdown pass to Mecole Hardman, making the Chiefs back-to-back Super Bowl champions.

Mahomes was named MVP (most valuable player) of the Super Bowl for the third time, and went on to describe Chiefs' coach Andy Reid as "the best coach of all time".

Unsure on the rules of American Football, or how it all works? Check out our handy video guide below.

If you want to learn more about the game and its rules, check out Newsround's epic Super Bowl guide here.

Half-time show at Super Bowl 2024

A massive part of the Super Bowl celebration in the US is the half-time show. Big name musicians come out and play a set of songs to entertain the crowd.

It's an opportunity for amazing costumes, fantastic dances and blasting out the biggest hits

Last year's half-time show was fronted by Rihanna, and artists like Bruno Mars, Beyoncé and Lady Gaga have all played at world-famous event.

The performance slot is just 12 minutes, and musicians usually manage to pack a lot in!

R&B superstar Usher whizzed his way through 30 years of hits during his half-time show, had several costume changes and even popped on some roller skates!

The Yeah! singer even brought out some other popular musicians, including H.E.R., Alicia Keys and Ludacris and The Voice judge, will.i.am to help out and add extra showbiz to the halfway point.

Taylor Swift's appearance

This year's Super Bowl was an even bigger deal than usual because of a very famous guest.

Megastar singer Taylor Swift arrived in Las Vegas just minutes before kick-off - having flown in from Tokyo, where she had just performed a concert on Saturday evening.

TayTay was there to cheer on boyfriend Travis Kelce who is a tight-end - a key offensive player - for the Chiefs.

The singer was joined at the Allegiant stadium by family and famous friends, including rapper Ice Spice, singer Lana Del Rey and actress Blake Lively.

Swift was seen throughout the game cheering on the Chiefs, and headed straight down to the pitch after the game to congratulate him with a massive hug and kiss.

The famous relationship has brought lots of new fans to the Chiefs and to the NFL too.

Taylor's presence at the Super Bowl was such a big deal that, in a recent poll from Seton Hall University in New Jersey, 41% of Americans aged 18-34 watching the game said that her attendance influenced their decision, or that of someone in their household to watch.

Super Bowl parties

Because it's such a popular event in the USA, families and friends get together to watch the game.

It's an opportunity to eat plenty of snacks, play some games, cheer your team on and get into the excitement of the biggest game in the NFL.

Around the world, American Football fans watch too, with some people staying up very late because of the time difference.

The game kicked off at 11:30pm UK time, so you may see some tired adults today!