Our thoughts are with Jennette McCurdy.

The Nickelodeon starlet's mother, Debra McCurdy, has passed away.

Debra had been struggling with breast cancer for 17 years. She went into remission, but the disease returned in 2010, spreading throughout her body, including her brain.

"Jennette has suffered an unimaginable loss," the 'Sam & Cat' star's rep told E! News. "Please respect her and her family's privacy at this time of mourning. She appreciates the love and support of her fans."

Neither Jennette nor her boyfriend, Detroit Pistons player Andre Drummond, have commented specifically on the tragic news, but Drummond did unleash some cryptic tweets:

Jennette previously spoke of her mother's battle with breast cancer. "I can't imagine how difficult it must be for my mother to tolerate all she has gone through and continues to go through -- the pain, the worry and the battle," she fumed. "She wakes up every day hurting and goes to sleep hurting even more. My mother, the constant optimist and effervescent, sprightly woman I know her to be, is caged along with this hideous beast they call cancer."

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