The singer, dubbed the "Voice of an Angel" when she shot to fame aged 12, wants to stop performing "uncool" opera in favour of pop.
A friend of Charlotte's says, "She loves pop music and she really wants to branch out.
"Charlotte will still do some classical concerts - and she has played a part in a film - but she thinks there's something very cool about being a rock star.
"She is looking for songs which will appeal to the mainstream pop market and has been talking to writers about coming up with Dido-style tracks.
"She said she wants a big strong ballad that is atmospheric and dramatic - a bit like THANK YOU."
Charlotte has already set things in motion - she had a UK number three hit in January (03) when she recorded vocals for dance track THE OPERA SONG under the name CMC.
The 17-year-old now prefers to listen to Eminem and 50 CENT - despite having made $23 million (GBP15 million) singing classics such as AVE MARIA and THE LORD'S PRAYER.
Meanwhile, her first foray into movies sees Charlotte play Olivia, a young girl who finds out her father used to be a famous rocker.