EXCLUSIVE: Inside Celine Dion's Pre-Concert 'Inner Sanctum' Before Sold-Out Paris Show

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Just before taking the stage at a Paris concert, Celine Dion gave ET's Carly Steel a tour of her dressing room and the mementos she keeps backstage of her late husband, Rene Angelil.

ET was with the icon from the moment she arrived at the AccorHotels Arena for her sold-out show, and the conversation soon turned to her late husband and mentor.

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"He's good. He doesn't suffer anymore," Dion said. "I think he's enjoying looking down."

While reflecting on Angelil's impact on her life and career, Dion showed us one of the last pictures they took together, which she keeps in her dressing room.

"Passing away is part of life," she said. "Many things help you to go through this, but especially my kids."

Another element that Dion has credited with helping her cope is her supportive fan base. She showed her appreciation for their loyalty by holding a meet-and-greet with some lucky fans after doing her sound check.

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During ET's time inside Dion's pre-concert ritual, we found out the singer is one of the few divas who applies her own stage makeup! She is particular about her look, telling us she doesn't wear false eyelashes, because of the chance that one of them could come off while she's singing and end up on her forehead or upper lip.

"Suddenly she's got a mustache? Not good," Dion joked.

Watch the video below to hear Dion talk about the song Pink wrote for her following Angelil's death.