Dev's here to kickstart the final day of 2011!
Edith gets you in the mood if you're planning a big night out.
Vernon Kay introduces Radio 1's Big Weekend highlights from Foo Fighters, Chase and Status, Jessie J, Wretch 32 and Rizzle Kicks plus highlights from his Soundclash with Pete Tong. Show more
The Official Chart on Radio 1 with Jack Saunders
The Top 40 Singles of the Year with Tom Deacon
3 hours on BBC Radio 1 N. Ireland
Check out the biggest selling tracks of 2011 as Tom Deacon sits in for Reggie Yates and counts down the Top 40 of the Year, catching up with Adele and One Direction as he goes.
Annie digs out the biggest dance tracks of the year, plus special New Year's Eve Party Mixes from Major Lazer, 2 Bears, Nero and Skream with a disco mix!
Radio 1 welcomes in 2012 with a variety box full of party classics, specially selected by party discologist Nigel and skilfully woven together by a guy called Matt. Happy New Year! Show more
Christmas and New Year on 1Xtra
The 1Xtra House Party Mix: Crissy Criss
1 hour on BBC Radio 1 N. Ireland
If you've got the party, we've got the music. Crissy Criss fires drum and bass and dubstep at ya!
Cameo goes Radio Raving - perfect party beats.
Semtex keeps the 1Xtra party moving with some classic hip hop.
Mash-ups Seani B-style, don't stop the party!