Tributes to Aleysha Rothwell have been pouring in from devastated friends and family, including her mum, on Facebook and Twitter since she was found dead at her home in Crossdale Road, Breightmet, on Thursday.
Dozens of shocked neighbours gathered in the street as police cordoned off the address and paramedics rushed to her aid from about 3pm.
Police said they were called by the North West Ambulance Service.
A spokesman for Greater Manchester Police said: “At this stage we do not believe this incident to be suspicious.”
An NWAS spokesman confirmed that an ambulance was called to the address and took a patient to the Royal Bolton Hospital.
The house was cordoned off by police until about 5pm.
Friends and well wishers paid tribute to Aleysha on Twitter and Facebook.
Her mum, Gaynor Rothwell, wrote: "R.I.P my beautiful baby girl WEESHA WOO you were clearly loved by so many and you have left a massive hole in so many people's lives n hearts.
"To say I'm in shock is an understatement. I got to tell your little sisters yet, you know how they adored you.
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"Love you so much my princess, don't think I will ever get over this.
"I know you're up there in a better place looking down over us all and you'll be the brightest star in the sky luv u so much, mummy pie xxxxx"
One message on Twitter read: "Such a beautiful girl! Huge shock to everyone, thoughts go out to family friends," while another said: "RIP... such an amazing girl gone at such a young age! Beautiful little angel."
Another tweet read: "Beautiful girl and it's so sad to know she went through that, didn't know you well but rest in peace beautiful."
One friend described her death as "horrible", after having seen her on Tuesday "perfectly fine and laughing".
She added: "We did our exam together in year 10 as well for performing arts, wow you will be missed so much. Hope heaven has a place for you xx."
Another said: "Wow rest in peace to my babygirly, brightest star in the sky tonight!! God's looking after you now, sleep tight beautiful."
One said: "You beautiful girly, at least we know you're going to be happy. We all love and miss you so much."