It's MIDNIGHT and time for Armin van Buuren to kick off his three hour epic Essential Mix! Coming up - expect tracks from his new album 'Intense' plus exclusive first plays of material by BT, Alexander Popov(official), Orjan Nilsen, DJ Shogun, Simon Patterson and more! Who's joining us on the dancefloor? Listen online:

The Calvin Harris Effect. BOUNCE.

The Turner Building in Derry-Londonderry has been taken over by an INSANE projection. A stunning finale to Big Weekend Day 1. We've only just begun...

Waiting up for Calvin ?

So, we've already had Rudimental, Chase & Status, Dizzee Rascal! and Robbie Williams but Rita Ora and Calvin Harris are STILL to come... Watch live, here! PS ASAP Rocky played too and here's a cover pic of him for ya :)

Who wants to come back stage with us? Quick, come! Sneaky vid of Wiley & Angel on the 1Xtra Stage at Big Weekend :)Sneaky Backstage Vid! Wiley & AngelWho wants to come back stage with us? Quick, come! Sneaky peek of Wiley & Angel on the 1Xtra Stage :)

Who else has the awesome Chase & Status on that Red Button ?

It's on like Pete Tong.

Ella Eyre is blowing the Big Weekend crowd away as Rudimental tear up the main stage!

BIG NEWS Rudimental Fans! They're here + ready to play! Watch them live on the Main Stage from 7.30pm #bigweekendDerry~Londonderry, 2013www.bbc.co.ukCoverage of BBC Radio 1\'s Big Weekend Derry~Londonderry 2013.

We're officially underway at Radio 1's Big Weekend. Not only can you listen live, you can watch live and follow our live blog for backstage bits and bobs and the latest news as soon as we get it. It's all live you see: Calvin Harris & Rita Ora are on their way btw. How do we know? Well Calvin posted this gorgeous picture.

erm, yes that was actual Robbie Williams joining Dizzee Rascal for a rare 1 track treat before being whisked away. What a top bloke:

Here it is... The moment Dizzee Rascal walks out onto the Big Weekend main stage. Derry-Londonderry we are ON.

Greg has just joined Danny Howard on the main stage... What an amazing Big Weekend crowd!

Due to some unavoidable transport problems at Heathrow today, Rudimental AlunaGeorge and Angel Haze are all unfortunately unable to perform at our Big Weekend tonight. The rest of the line-up are all here and ready to go, you can see the updated information over here. Our apologies to all of you waiting to see those particular artists, we hope you enjoy our coverage of the rest of the night2013www.bbc.co.ukCoverage of BBC Radio 1\'s Big Weekend Derry~Londonderry 2013.

Don't miss a second of the Big Weekend action - WATCH all your favourite artists on both the Main Stage and the 1Xtra Arena at2013www.bbc.co.ukCoverage of BBC Radio 1\'s Big Weekend Derry~Londonderry 2013.

Things are looking amazing in the afternoon sunshine today, we're about to launch our live streams so you can watch all of our performances live on the Big Weekend website. We're starting in style with swag king ASAP Rocky in 5 minutes! Here he is backstage with Grimmy looking too cool. If you're on Twitter you can use the #bigweekend hashtag to get involved with the hype :)

Gregory's here! With you until 6pm, fresh from sounding the foghorn and officially opening Radio 1's Big Weekend! Weeeyyyyy!!!!

Scott here! So I've no idea how this happened, but the MUST HAVE accessory for the Big Weekend this year is Chris's 'Clare from Radio 1 reception' mask. I think it was one of his business ideas that went weird. Would love to see the whole crowd going crazy with these on. Download yours here:

we're here at Radio 1's Big Weekend in Derry, Londonderry getting everything ready for 3 huge days of first class live music. You can watch everything live online from 4.15pm, turn your volume up and get in the party zone!

Just 8 mins til Scott crosses live to Greg James to open the gates for Radio 1's Big Weekend 2013! Some of the biggest acts in the world are on their way to Derry! Here's Rudimental on the plane:On the plane on route the Radio 1 #BigWeekendvine.co

The English language has a few gaps in it, we think. We need a word for when you're on your laptop, phone and watching TV all at once! Any suggestions?

Sara wants to know what you're to this weekend, even if you're not at Big Weekend! What are your big weekend plans?

Anybody planning to be on the dating scene this weekend? BEWARE! Dev has found this doozy of a cautionary tale - 'YOU LOOKED SO CUTE IN YOUR LITTLE SHIRT AND YOUR LITTLE PANTS'Love at first sightI got this message late Friday night. BTW - I didn't go out that night. Check out more great stories ator leave me a message at (781)7...

Everyone loves a remix! So Toddla T is dedicating the next two hours to them. From bootlegs to R&B bangers, check the show flyer for what's goin' down!

Right now it's BBC Radio 1's Residency with Mosca bringing underground sounds till 2am; stay tuned for a deep guestmix from psyk, representing the Non Series imprint.

Our lovely listener picked tonight’s curveball track (a song you wouldn’t normally hear on R1) and he drew you these picture clues. Can you guess along with Alice Levine and Phil Taggart which band/ artist it is?Phil & Alice's Curveball Picture Clues

1Xtra’s Crissy Criss picks tonight’s curveball track and he's bought mystery guest Danny Byrd through to play curveball. Crissy drew these picture clues earlier. Can you guess which band/ artist it is?Phil & Alice's Curveball Picture Clues

Ready for some summer sounds all the way from LA?!? It's Salva with In New DJs We Trust right now - with a BRAND NEW Hot Off The Desk track from Daft Punk & Todd Edwards:

Right now Zane Lowe Vs. Wretch 32. Record for record. Round for round. #TeamZane OR #TeamWretch. You decide.

YOU pick the next 3 tracks on BBC Radio 1 on the 'Ten Minute Takeover'... what would you most like to hear?

If you wanna see Greg and The Hangover 3 boys in action(!) - check out this vid..Hangover III cast sing to Gerg Jameswww.youtube.comBradley Cooper, Ed Helms & Zach Galifianakis join Gerg James for a bit of a song-off.

The cast of The Hangover 3 seemed delighted at the little ditty Greg had prepared for them... Ed even got stuck in and did one back about drinking coffee and peeing. Lovely lads.

Chris has gone and embarrassed Scott again! Here he is literally bowing down at the cast of The Hangover as they walk past Scot's studio. (You can hear them chatting to Greg from 5 today).Chris Bows Down To The Hangover Stars

Sara wants to know 3 things about you! Let's get to know each other a bit better (not in a rude way)

Morning you lot! As of last night Dev has FINISHED his 3 year Music degree. He's very excited about that. Any other students celebrating their freedom at the moment?

On now are the fabulous, oh and so Derry-Londonderry, Wonder Villains with some wicked live music from the BBC Introducing gigs last week

1Xtra’s Crissy Criss picks tonight’s curveball track and he's bought mystery guest Danny Byrd through to play curveball. Crissy drew these picture clues earlier. Can you guess which band/ artist it is?

Calling all JAWS fans they are on with Phil & Alice in 5 mins but you can watch them in the waiting room now. Adding to their 1D sticker collection!

FYI...

Curious? Find out how, next on My Playlist BBC Radio 1

Jessie Ware takes over BBC Radio 1 right....NOW. Here's a taste of some of the music she'll be playing.

Zane Lowe's Hottest Record comes from Half Moon Run...BBC Radio 1 - Zane Lowe, 22/05/2013, Half Moon Run - Call Me In The Afternoonwww.bbc.co.ukCall Me In The Afternoon by Half Moon Run is Zane Lowe's Hottest Record.

Time for the Ten Minute TAKEOVER! You pick the tracks, we play them (for ten minutes..) - so what tickles your fancy?

So Greg's surprise today was a serenade by pBone and their plastic trombones! They performed wonderful covers from our Big Weekend artists. Check out the size of Greg's instrument...

There's a brand new number 1 in the Official Chart update! Naughty Boy La La La (feat. SAM SMITH) Check out the full chart here:and tune in from 4pm on Sunday to see if they're still number 1!Boy - La La La ft. Sam SmithLa La La by Naughty Boy starring Sam Smith out now. Buy La La La and the remixes fromWatch the Hotel Cabana trailer at

Oh no! Chris's business idea is going all wrong. He wants to make masks for the Big Weekend but the only Radio 1 person who'll give permission is Clare from reception. So at the moment his ' big range of masks' is just him and Clare. GET YOUR OWN HERE!

Sara's Realistic Goal today is to NOT cry when she sees her mum today! She's feeling a bit fragile! What's yours?