Capital FM Jingle Bell Ball 2015: Line-up, how to get there and everything to know about festive pop concert

London's O2 Arena will come alive with some of the biggest acts in pop for Capital FM's Jingle Bell Ball 2015. Kicking off this weekend (Saturday 5 December), the two-day event will celebrate the best in music over the last 12 months in front of a sold-out audience.

It will be a jam-packed weekend with 16,000 tickets having sold out in record time as fans raced to see the likes of Justin Bieber, Little Mix, Jess Glynne and Jason Derulo ring in Christmas. The radio station has struck gold yet again with the line-up following on from the 2014 event, which saw the likes of Taylor Swift, Sam Smith, Ella Henderson and 5 Seconds Of Summer hitting the stage.

Ticket-holders will be disappointed with the news that US pop star Ariana Grande has pulled out of her performance after cancelling all scheduled international tour dates in December. Announcing the news, Grande told her Twitter followers: "Babies, I'm so sad I won't be able to make it abroad this December but I can't wait to see u & reschedule for next year.i love you so much."

Still, it looks set to be a fun weekend so the IBTimes UK rounds up everything you need to know about this year's Jingle Bell Ball...

Justin Bieber tour — Justin Bieber will perform songs from his new album Purpose at Capital FM's Jingle Bell Ball 2015 REUTERS/Stefano Rellandini

WHEN IS JINGLE BELL BALL

Capital FM are treating fans to a whole weekend of performances, with concerts taking place on Saturday 5 December and Sunday 6 December.

WHERE AND HOW TO GET THERE

The Jingle Bell Ball will be taking place at London's O2 Arena. The closest tube station to the venue is North Greenwich on the Jubilee line and for those driving, there is a car park which can be pre-booked.