Tori Spelling admits it's 'tough' to join 'DWTS' after Shannen Doherty's death, but promises to 'commit' (exclusive)

“It's definitely a tough time with the show and all the excitement and having just recently lost Shan,” says Spelling

Tori Spelling/Instagram

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Tori Spelling is ready to give it her all Dancing with the stars thanks to a memorable lesson she learned from Shannen Doherty.

Speaking to PEOPLE on Wednesday, September 4, following the announcement of the cast for the show's 33rd season, Spelling, 51, talked about how the actress, who died in July at age 53, inspired her to fully “evolve” into the hit reality competition series.

“It's definitely a tough time with the show and all the excitement and having lost Shan just recently. But I remember her loving being involved and being totally into it,” Spelling says of Doherty, who appeared in the show's 10th season.

“She's definitely inspired me in life, you know, when you're committed, you're committed. And this season, she's definitely encouraged me to use my power,” Spelling adds. “So I'm going to take that with me.”

Related: Dancing with the stars Season 33 cast revealed: Tori Spelling, Phaedra Parks and more to join

Spelling and Doherty's colleague Beverly Hills, 90210Co-star Brian Austin Green, who also took part in the dance competition, gave the mother of five some encouraging words.

“Brian Austin Green knew the whole time since I got that call,” she says. “So I kept thinking, 'I don't know. What should I do? Should I do it?' And he was like, 'You're going to be great. You have to do this.'”

Green, 51, took part in the 30th season of Dancing with the stars, is engaged to Sharna Burgess, a former professional dancer on the show.

Pasha Pashkov/Instagram

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Related: Jennie Garth shares how Beverly Hills, 90210 Cast leans on each other after Shannen Doherty's death (exclusive)

Spelling tells PEOPLE that Burgess, 39, knew her partner Pasha Pashkov would be her “perfect” partner.

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“Sharna is totally like that, from the beginning I asked, 'Sharna, who do you think I'm going to get? Who's my partner?'” says Spelling. “And she literally went through everyone and said, 'Here's why I think they would be right for you' and everything.”

The celebrity cast of this season is rounded off by Dancing with the stars are Phaedra Parks, Eric Roberts, Anna Delvey, Dwight Howard, Danny Amendola, Brooks Nader, Ilona Maher, Joey Graziadei, Chandler Kinney, Reginald VelJohnson, Jenn Tran and Stephen Nedoroscik.

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Season 33 of Dancing with the stars Premieres Tuesday, September 17 at 8 p.m. ET on ABC and Disney+, with the episode available to stream on Hulu the next day.

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