Spanish Grand Prix 2015: As it happened

Monaco is next as Rosberg cuts Hamilton's lead at the top. Should be interesting.

Champagne celebration galore!! Rosberg gets his fair share of spray..his engineer gets drenched!!

Vettel asks Rosber's engineer "too easy no?" and the engineer laughs. Vettel responds "you're laughing so i'll take that as a yes" Good Banter there

Rosberg gets on the radio and says woohoo!!! The German's season has begun.

Bottas beats Kimi to fourth place. Great drive by the junior Finn. Massa in sixth to make it a good day for the Williams.

It's another 1-2 for Mercedes, as Vettel takes yet another third place

ROSBERG WINS!!!!

Rosberg on course for his first win of the season, as Sainz takes Kvyat following some contact

FINAL LAP!!

2 LAPS TO GO!!! Rosberg clear in front

LAP 64/66 - Kimi running out of time to pass Bottas, a great drive by the Williams driver, who is rumoured to be Raikkonen's replacement at Maranello

LAP 63/66 - Toro Rosso boys battling for the last point as Verstappen gets passed by Sainz

Kimi gets stuck behind a back marker giving Bottas some breathing space. 3 LAPS TO GO!!!

LAP 61/66 - Rosberg looks to have got this in the bag, it is impossible for Hamilton now

LAP 60/66 - Bottas and Kimi battling for 4th place

LAP 58/66 - Kimi within DRS range to Bottas

9 laps to go!! Hamilton who was closing in has been told by his Engineer to consolidate his position. But Hamilton asks if it is impossible? and it's a yes. Will that stop Hamilton from pushing though?

LAP 54/66 - Kimi is four seconds behind Bottas and they are catching Vettel

Hamilton is flying another fastest lap, 1.28.2..a second faster than Rosberg

LAP 54/66 - Hamilton sets the fastest lap of the race a 1.28.4

LAP 53/66 - Vettel complaining about the traffic

LAP 52/66 - Hamilton comes out comfortably in front of Vettel

LAP 51/66 - Box, Box Box is the call for Hamilton

LAP 50/66 - Hamilton is closing in on his final stop, Vettel seems to be far behind to challenge the Briton, a well thought race by the team

LAP 47/66 - Kimi is past Massa on the pit straight, as Maldonado is called in to retire his car

LAP 47/66 - Kimi has caught Massa, right on his tail

LAP 46/66 - Race Leader in for his final stop, as Hamilton takes the lead, but the Briton has to stop again.

LAP 43/66 - Sainz has a slow pit stop as well as Grosjean pulls off a fine move

LAP 43/66 - Bottas makes his final stop, but is on the hard tyres, Massa is behind him, but has to make another stop

The front-jack men are having a dangerous afternoon, both Alonso and Grosjean overshooting their mark. Phew!!!

LAP 42/66 - Kimi comes in for a stop, and goes on the medium tyres

LAP 41/66 - Vettel comes in for what could be his final stop, Hamilton has gone past the German, but could have one more stop.

It was a lightening stop!! 2.2 secs, made up a second on Hamilton there.

Grosjean is parked in the pits, super sloooow stop for the Frenchman!!

LAP 40/66 - Hamilton is past Bottas now, his race has come alive

LAP 39/66 - Hamilton setting quick lap after quick lap, he is catching Vettel, who has another stop. This will be close. Hamilton has got the upper hand on the German now

LAP 36/66 - Looks like Vettel has been switched to a two-stop

LAP 35/66 - Hamilton has just set a blistering lap!!! 1.29.9!!

LAP 34/66 - Hamilton breezes past Raikkonen, who is on the older tyres

LAP 33/66 - This time it's all good for Hamilton, on the hard tyres, he comes out behind Kimi

LAP 32/66 - Hamilton asked to push by his team, but gets stuck behind back markers.

Now he is ahead, but 1.6 seconds behind. Hamilton in the pits

Here's Alonso's excursion

LAP 30/66 - Rosberg has increased his gap to 8 seconds, as Hamilton tries to close in on Vettel again

Bottas is complaining of rear tyre degradation

LAP 29/66 - Button now coming in for his stop, all goes well this time around

LAP 28/66 - WOW!!! Alonso completely missed his stop spot, and took the front jack with him, luckily the jack man jumped out the way.

All safe, could be a break failure, McLaren have decided to retire the car.

Yet another retirement for Alonso

LAP 27/66 - Alonso is battling the Sauber of Ericsson for 14th place, as he comes in for another stop

LAP 27/66 - Eight seconds covering the top three cars, anything is possible

LAP 27/66 - Alonso and Button in 14th and 17th, both struggling for pace

LAP 26/66 - Vettel has eked out a bit of a gap to Hamilton, outside the DRS zone now

LAP 25/66 - Kimi is the only driver making the hard tyres work, and matching the pace of the front runners on the Mediums

LAP 24/66 - Kvyat goes ahead of Verstappen to take 9th

LAP 23/66 - Vettel puts in his best lap of the race to stay ahead of Hamilton

LAP 21/66 - Vettel is holding on, as Kimi's engineer pushes him on, saying the pace is good

LAP 20/66 - Hamilton closes in on Vettel, could be a matter of time, the German looks to be struggling.

LAP 18/66 - Kimi is going opposite to Vettel and the Mercedes cars, he is on the hard compound tyres.

LAP 17/66 - Hamilton closing in on Hamilton, Raikkonen yet to stop is leading the race, looks like a two-stop for the Fin

He is now coming in.

LAP 16/66 - Ricciardo and Verstappen are also in for their stops

LAP 15/66 - Ferrari are getting ready now, Vettel in for a blistering stop!!!! 2.3 secs!! matching the fastest of the season so far

Nico has now been called in for a stop.

LAP 14/66 - Hamilton has come into the pits to try and undercut Vettel, but they had a problem with the left rear. Slow stop for the championship leader.

LAP 13/66 - Bottas' engineer now tells him they are going to plan C, how many plans are there??

LAP 12/66 - All the cars on three stops are coming into the pits, Button, Kvyat, Hulkenburg all in for fresh rubber

LAP 11/66 - Ricciardo gets past Verstappen, but runs wide and lets the Dutchman through

LAP 11/66 - Hamilton has closed in on Vettel and is within DRS zone

LAP 10/66 - Rosberg sets another fastest lap, and his lead is close to 7 secs over Vettel, with Hamilton just over a second behind.

LAP 9/66 - Hamilton's engineer tells him that they are going to plan B, which means it could be a three-stop race for the Briton

LAP 7/66 - The Toro Rosso's have got their settings wrong with Sainz dropping back. Maldonado closing in on Verstappen in 7th

LAP 6/66 - Rosberg is setting some blistering times, 3 secs ahead of Vettel in second.

LAP 3/66 - DRS has been enabled!!

LAP 2/66 - Rosbrg sets the fastest lap as Massa gets ahead of Sainz

Vettel has taken Hamilton at the start a great start by Rosberg to keep the lead.

Raikkonen has got ahead of the Toro Rosso's

It's a GO!!!!

All cars are on the grid and the red lights are coming on!! can Vettel make an impression at the start?

All cars are starting on the medium compound tyres

Tyre warmers are off! time for the formation lap. Lets go!!

4 minutes to START!!

McLaren's new livery. What do you think? Yea or Nay?

7 mins to RACE START!!!!!

Before the race starts, watch the lap that put Rosberg on pole

Lotus are feeling warmer than it actually is!! Get ur refreshments ready it's gonna be a hot one!!

McLaren's Jenson Button believes more than points, its the progress made that is key this weekend.

Lotus drivers are wearing a one-off special special overalls as they promote the movie Mad Max

Here's how the driver's fared last season, the best tyre strategy revealed

Welcome to IB Times UK's live coverage of the 2015 Spanish Grand Prix. The race gets underway at 1pm BST with Nico Rosberg starting on pole for the first time this season.