The girlfriend of rock star Mick Jagger has been found dead in a Manhattan apartment.  

"The New York Daily News" reports 49-year-old model and designer, L'Wren Scott, appears to have killed herself by hanging.  

She was found inside an apartment on 23rd Street and 11th Avenue in the Chelsea section of Manhattan around 10 this morning.  

The City Medical Examiner will determine the exact cause of death. 

Scott was a well-known designer who dressed Nicole Kidman, Amy Adams, Christina Hendricks and Penelope Cruz for the red carpet.

She and Jagger had been dating for more than 10 years. Their last big public outing was for the launch of one of her fashion lines in L.A.in November, according to TMZ.com.