. Jim Carrey's on-again/off-again 28-year-old girlfriend has committed suicide ... TMZ has learned. Law enforcement tells TMZ, LAPD responded to a call in the L.A. area Monday night. We're told they went to a residence and found the body of Cathriona White. Our sources say White left a suicide note addressed to Carrey which references their break up on Sept. 24. Cathriona tweeted on the 24th ... "Signing off Twitter, I hope I have been a light to my nearest and dearest." 9:43 AM PT -- Jim Carrey released a statement -- "I am shocked and deeply saddened by the passing of my sweet Cathriona. She was a truly kind and delicate Irish flower, too sensitive for this soil, to whom loving and being loved was all that sparkled. My heart goes out to her family and friends and to everyone who loved and cared about her. We have all been hit with a lightning bolt." Read more: http://www.tmz.com/2015/09/29/jim-carrey-girlfriend-cathriona-white-commits-suicide/#ixzz3nEWSU7wX