Christina Applegate’s on-again, off-again boyfriend Lee Grivas was found dead in his Hollywood apartment Tuesday, TMZ.com reports.

“I am profoundly saddened,” Applegate said in a statement to Usmagazine.com. “Lee was an incredible human being who was an extremely important and beautiful part of my life.

“He is missed beyond words,” she added. “He touched so many and I feel much sadness for his mother, father, brother, and all of his family and friends.”

The 26-year-old’s body was discovered by a neighbor and there were no visible signs of trauma, according to TMZ.

“Christina really loved him,” a source close to the situation told Us. “He was a really nice guy but also very sad.”

The Samantha Who? star, 36, and Grivas were not dating at the time of his death, the source told Us.

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