Lily Allen is a 25 year old singer-songwriter currently living in London. She is the child of actor Keith Allen and film-producer Alison owen. Lily grew up in London surrounded by alot of musical influences, which later lead to a very successful career in music.
She spent years trying to get into the music industry and finally did in 2006 when she released her debut album 
Lily has made her way onto NME’s list of the best 150 tracks released in the last 15 years. Lily charted at number 104 with her first single Smile. Here is what NME had to say:
Released: July 2006
It’s all in the way she tells it. No-one else could simultaneously sound as world-weary and mischievous as Lily Allen delivering that line about her emotionally-retarded ex “fucking the girl next door…what d’you do that for?”. In those ten-and-a-half words alone an exasperated modern female icon was born, bloomed and was shortly after hounded into an early retirement. Lily always said she’d made the ‘Alright, Still’ album for a laugh and that we were lucky even to get a follow-up, but that doesn’t stop ‘Smile’ being one of those perfect storms in pop music when a song, an attitude and an unlikely star (in this case Harry Enfield’s gobby step-daughter) collide to create what is commonly known as a bit of a moment. (KM)
They also provided a short paragraph of Lily explaining how she wrote number 1 hit Smile.
How I Wrote ‘Smile’
Lily Allen
It was the first song I wrote. I always thought you should write about what you know and this guy had taken up so much of my time and emotions that the words just poured out. It was never going to be a sugar-sweet love song because by that time I was over him and felt a slight desire to get revenge through a song. So the lyrics are definitely bittersweet.
Then the record got to Number One and everyone asks if I feel it is a revenge story. I guess it is – but the truth is it’s too painful for me to think of it in that way. It’s a period of my life that I would rather not go back to.