has gone double platinum with sales of 600,000 and, after a slow-burning start last August, knocked chart heavyweights Radiohead off the number one slot in January of this year.With her gutsy, pure vocals and catchy melodies, she slides effortlessly from country and western to folk and, at her best, has a haunting style reminiscent of the Cranberries or Sinéad O’Connor.One moment Kate Nash is the authentic voice of youth, then it’s Adele and Duffy, launched in a blizzard of publicity.
Amy smiles with rueful self-knowledge when I enquire whether she’s got even a hint of a reckless streak.
After all, when the money started rolling in her first instinct was to invest in her first property – and not a flat in Glasgow’s trendy West End, but a two-bedroom semi in the commuter suburb of Bishopbriggs, near to where her parents live.
Despite the wrench of not seeing family or friends for weeks on end, she loves life on the road.
"It’s really funny, we must have the cleanest, most fragrant tour bus on the planet! "The band all moisturise and have early nights and the bass player claims that every shower he takes costs him at least £80 in fancy products.
I was always really gratified when my family and friends thought my songs were good, but I wasn’t obsessed with making it big or being a star.
I look at programmes like and feel so relieved that I was never involved in something like that, because I can’t get past seeing the winners as puppets who are getting told what to do all the time.
She’s toured with Paul Weller in Europe, supported Elton John in concert, and Amy Winehouse’s American label is keen to sign her up.
Yet while her anthemic single 'Mr Rock and Roll' has become a radio favourite, the singer-songwriter herself has insisted on staying well below the media radar – until now.
The only drawback to touring is that I eat so much junk food, plus part of my performance contract is that I get lots of Mars Bar Milk to drink in the dressing room.
I’m normally a size 10 to 12 but I can feel my jeans getting tighter round the waistband, so as soon as I’m back home I head straight to the gym."Vanity is not in Amy’s vocabulary.
"I don’t have the songwriter’s obligatory sob story.