9 June 2012, 16:16
The four-piece hang out with the American Idol winner at Wembley Stadium.
Lawson have revealed they got to meet Kelly Clarkson earlier today at the Summertime Ball 2012.
The 'When She Was Mine' singers are preparing to take to the stage at Wembley Stadium this evening (9th June), and say Kelly was "awesome" to meaty backstage at the sold-out stadium event.
"So excited for Summertime Ball today!" Lawson tweeted this afternoon. "We just met @kelly_clarkson! In the gents toilets of all places.
"We just met @kelly_clarkson she's my new favourite person ever! She's awesome haha x," bassist Ryan Fletcher then added.
The 'Dark Side' singer is also due to perform at today's Capital FM event to sing some of her biggest hits for the 80,000 strong audience.
The Capital FM Summertime Ball 2012 will also boasts sets from Katy perry, Jessie J, Example, Coldplay and Ed Sheeran.
View a picture of Lawson getting to meet Kelly Clarkson backstage at the Capital FM Summertime Ball 2012 below (Picture: Twitter)
Capital FM is coming live from the Summertime Ball at London's Wembley Stadium on 9th June.
Keep your eye on the ball by heading to our Summertime Ball area for all the latest news, photo galleries and interviews from this year's event.