Chart-topping British boyband, The Wanted, met up with the Backstreet Boys on Saturday night (29 June) at G-A-Y nightclub in London, before they hit the stage to perform in celebration of Gay Pride.
Both groups came together to put on a joint gig for their fans at the venue, after an estimated 15,000 people took to the streets of the capital earlier in the day to march in the 42nd annual Gay Pride parade.
And as well as singing a medley of their hits, the ten band members also posed for a few snaps together, which give us a little preview of what the guys would look like if they formed one giant pop group!
Backstreet Boys members Nick Carter, AJ McLean, Kevin Richardson, Howie Dorough and Brian Littrell looked more than happy to hang out with The Wanted's Max George, Siva Kaneswaran, Jay McGuiness, Nathan Sykes and Tom Parker for the night and they even appear to have all colour co-ordinated their outfits!
The two bands have both been keeping busy with their similarly hectic work schedules recently.
While The Wanted have been promoting their new reality TV series, The Wanted Life, and travelling around Europe (where they were spotted giving each other crazy group hugs on the red carpet!), the Backstreet Boys are currently celebrating their 20th anniversary of being in the music industry and are in the UK to promote their new album, In A World Like This.
And it sounds like all of those back to back work commitments are taking their toll on Backstreet Boys' Nick Carter, who tweeted yesterday: "Yes 3 hours of sleep makes you crazy."
Which band do you prefer: The Wanted or the Backstreet Boys? Let us know below!