The 'Trespassing' singer joined the classic British rock group for some European dates in June and July, with three gigs at London's Hammersmith Apollo.

Lambert had previously performed with the band at the MTV EMAs in 2011 but this was the first time he has toured with Queen.

Speaking in a letter issued to fan club members, Brian May said that it was "amazing" to perform with Lambert and that, like Freddie Mercury, he is a very "spatially connected" singer.

May added that the shows felt like Queen gigs of old - "interactive and fun" - and that Lambert's voice is "extraordinary".

Read a scan of Brian May's letter below.

The news was announced on ITV show The Nation's Favourite Number One last night (July 15), which collated the results of a public poll.

Voters were asked to select their favourite tracks from a shortlist of songs that have hit No.1 in Britain.

Following Queen in second place was Michael Jackson's 'Billie Jean', whilst Adele's 'Someone Like You' was voted No.3.

Elsewhere in the list, the Oasis track 'Don't Look Back in Anger' landed at No.4 whilst 'Hey Jude' by the Beatles rounded off the top five.

Queen meanwhile have been playing a batch of shows with vocal powerhouse Adam Lambert this summer, with a trio of dates at London's Hammersmith Apollo going down a storm.

The legendary guitarist, who last night teamed up with Adam Lambert again for Queen’s first ever live performance in Poland, told the Sunday Times that he would love his wildlife preservation work to be his lasting legacy:

"I suppose I've lived a crazy life, and watching wildlife brings back a sense of tranquillity.

"When I'm gone, people will no doubt remember me for Queen, but I would much rather be remembered for attempting to change the way we treat our fellow creatures".

The 64-year-old, who has turned the grounds of his Surrey estate into an animal sanctuary, went on to add that he’s always had interests outside his rock career:

"[The band] is a huge part of my life, but I do have other interests. People know about the astrophysics, but I love gardening, too, and I've always been passionate about the welfare of our wonderful British wildlife."

Lambert joined the classic rockers at a special gig in Kiev to promote the fight against AIDS, with Sir Elton John also performing.

The band played through a number of legendary songs such as 'Bohemian Rhapsody' and 'Under Pressure' as Adam Lambert gave Queen a 2012 twist.

Brian May later took to his official website to praise the singer and thank fans for attending the show. He said:

"Well, we did one! A show! And...well, it is out there in cyberspace already, spinning around the world. For a first show, I think, with all its train wrecks, it was a good first outing...I was at times quite mesmerised by what Adam was doing and sometimes forgot to play!! Ha ha."

He concluded: "Thanks to all the great folks who stood and rocked for many hours in Kiev's Freedom Square...you guys are the best."

The singer is teaming up with the classic band to play a number of shows this summer, including a string of dates at London's Hammersmith Apollo.

They are now rehearsing for their summer jaunt and guitarist May has uploaded some photos from the sessions on his official website.

They see the band in discussion and also setting up as they prepare to indulge in a bit of rock.

Pressparty recently spoke to Adam Lambert as he gears up for the UK release of his new album 'Trespassing' - read what he had to say here.

The show, which will also feature Sir Elton John, is set to take place in Kiev's Maidan Nezalezhnosti (Independence Square) on June 30.

It will run in conjunction with the Elena Pinchuk ANTIAIDS Foundation and the Elton John AIDS Foundation in an effort to generate publicity and donations.

The gig will take place a day before the final of the Euro 2012 football tournament, which is being held in Ukraine and Poland, and is being supported by football body UEFA.

The concert organisers have confirmed that the performers will waive their fees for the event.

The legendary guitarist, whose band recently announced a new show with temporary frontman Adam Lambert, told the BBC that “people will come out saying, 'did we actually see Freddie?'" when the spectacle takes place at London’s Dominion Theatre on May 14.

The 64-year-old refused to describe the stunt as a ‘hologram’ but went onto express his disappointment that Snoop Dogg and Dr. Dre had used a similar tactic to bring Tupac Shakur back to life during their set at Coachella last month:

"It's a little unfortunate they did that thing with Tupac as we've been trying to make Freddie appear on the stage for quite a while.

“[That technique] is something we've looked at ourselves but I think probably for a show that runs eight shows a week it's not really quite practical."

The band had previously announced that they were to play London's HMV Hammersmith Apollo with Lambert on July 11 and 12 after the cancellation of Knebworth's Sonisphere Festival.

However, due to phenomenal demand, they have added another show at the same venue on July 14.

Queen's official website confirms that it will be the last show they will play together this summer. It said:

"The added London date will be the final show of five dates Queen and Adam Lambert will play together this summer. In addition to the Hammersmith shows, Queen and Lambert will also appear at Moscow Sports Arena (July 3) and at The Municipal Stadium, Wroclaw, Poland (July 7)."

Tickets for the new London date will go on sale on Monday May 14 at 9am UK time.

The classic rock band are set to team up with the American Idol singer for a number of European dates later this year, including two shows at London's HMV Hammersmith Apollo.

Speaking to Billboard, Taylor said the shows will be "slightly experimental", and he said they will "see how they go, how we get along over the course of a whole show."

The drummer admitted that himself and Brian May aren't wanting to line up too many things because of their increasing age. He added:

"Who knows what might happen. Brian and I are not the young men we were. We're not as bendy or flexible as we were...We really don't want to commit ourselves to too many things."

They will play Poland's Rock in Wroclaw festival on July 7, which is held at the city's Municipal Stadium.

The news follows confirmation of two London shows Queen and Adam Lambert will perform together in July.

They were announced as a result of the cancellation of Knebworth's Sonisphere Festival, which incidentally was due to be held on July 7.

The Queen and Lambert juggernaut is also confirmed to play Moscow on June 30.

Drummer Roger Taylor had previously gone on record to unveil their plans to play twice at London's HMV Hammersmith Apollo to make up for the cancellation of Knebworth's Sonisphere Festival, which they were due to headline.

They have now confirmed they will play the venue on July 11 and July 12, with a presale available to Queen fanclub members and also to Sonisphere ticket holders.

A statement reads:

"Queen acted immediately in looking for an alternative venue in an aim to avoid disappointing all those fans who had so desperately looked forward to seeing them at Knebworth. Coming in the lead into the Olympics, most of the venues they first approached were unavailable, being taken as official London Games 2012 venues. As the setting of some of the band's best remembered concerts, the idea of returning to this historic Hammersmith venue really appealed to them."

Roger Taylor added: "We had made up our minds to play in the UK this year, so play we will! Following the collapse of the Sonisphere organisation we didn't want to let down all those people expecting to see us live!"

Adam Lambert meanwhile said: "I'm so thrilled that Queen found a way to ensure that the fans will get to see this event this summer. I can't wait to be in London to perform with Queen for these incredibly special shows!"

General sale for the gigs will begin at 9am on Wednesday April 18, with the presale running 24 hours prior.

They had already penned two dates in June and July - one in Moscow and one at the Sonisphere Festival at Knebworth - but the latter was dropped after the festival was recently cancelled.

However, Taylor told Billboard that they are set to play two dates in July at London's Hammersmith Apollo as an "alternative for some of the people who had bought tickets" for Sonisphere - and they also are planning a show with Elton John in Kiev. Taylor said:

"We're really excited about it. Adam...of course he has this unbelievable range, like Freddie (Mercury) had range. Adam can really cover it. He's an extraordinary singer and a real talent. I feel he fits into our sort of theatricality."

Taylor also hinted that he and bandmate Brian May have been asked to take part in an Olympic event later this year, but he said: "I don't think we're meant to say too much about it yet."

Their 'Greatest Hits' album came out trumps in the list after selling 5.8 million copies since its release in 1981, reports the Daily Mail.

The countdown - which is part of a BBC Radio 2 special set to air on the station today (April 9) - will see The Beatles' 'Sgt. Pepper's Lonely Hearts Club Band' land at No.2.

The third best selling album is ABBA's 'Gold', with Adele's '21' at No.6 - an incredible feat considering it was only released in 2011.

Madonna's 'The Immaculate Collection' charts at No.11 on the list, whilst Amy Winehouse's 'Back To Black' is No.12.

The Knebworth event was due to take place in July and Queen were due to headline one of the nights with American Idol singer Adam Lambert on vocals.

However, the festival's organisers confirmed today (March 29) that they are pulling the event due to because they would be "unable to run the festival to a standard that both the artists and that Sonisphere's audience would rightly expect."

In a statement released on Queen's official website, Brian May and Roger Taylor confirmed that they were looking into another venue to ensure they still perform. They said:

"We are disappointed to hear of the cancellation of the Sonisphere Festivals as we were very much looking forward to performing with Adam Lambert and particularly as the venue was Knebworth, our last stand with Freddie. We apologise for the disappointment to all those who were looking forward to seeing us. We are working to see if we can redress the situation at some other venue."

Named after the band’s 1978 hit, the Amanda Byram-hosted show, which kicked off on Sunday night, sees wannabe pop stars who fail to impress the judging panel get ejected from the stage via embarrassing methods including horizontal bungees and trap doors.

But the 64-year-old, who along with Roger Taylor and the remaining finalists, appeared on The X-Factor to perform ‘Bohemian Rhapsody’ in 2009, was keen to voice his disapproval of the concept:

"Of course with this title people are going to think it's something to do with us, Queen. But it's not. It sure looks like just another cheap way to humiliate people.

"If you ever see me sitting on a panel acting like I think I'm God Almighty and making demeaning remarks about fellow musicians, you have my permission to shoot me. With a rubber tommy water gun."

The legendary musician, currently in the charts with Dappy collaboration, ‘Rockstar,’ will join the rest of his Queen band-mates and guest vocalist Adam Lambert for a special performance at the Sonisphere Festival in July.