The list of celebrities rumored to compete on the upcoming season of Dancing With The Stars now includes another actress, an athlete and a star from Glee.

TMZ reports that former King of Queens star Leah Remini, Elizabeth Berekely, Glee actress Amber Riley and Keyshawn Johnson will be announced as part of the cast on Good Morning America next week.

According to an insider, the addition of Riley would help the season become one of the most emotional seasons yet---Riley will dedicate her competitions to her late co-star Corey Monteith. Additionally, now that she is no longer on Glee, it is the perfect opportunity for her to lose weight as she begins scouting new roles in Hollywood.

A source told Hollywood Life: "Amber Riley is doing the show to lose weight, dedicate her season to Cory Monteith and start fresh now that she's no longer on Glee. This was the next logical move in her eyes."

TMZ also reported Valerie Harper has been added to the cast despite battling terminal brain cancer. This will also make it one of the most emotional seasons in the history of the show.

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HollywoodLife's insider explained why the gig also makes sense for Milian and Berekely.

"Christina Milian is no longer on The Voice and she's looking to release more music in the near future, so she wants this to be the stepping stone. Elizabeth is a tremendous dancer and might be the first Saved by the Bell alum to win the show. And if she is paired with Derek Hough or Mark Ballas [her winning] could be automatic."

The season's athlete will likely be Johnson, the former NFL player and ESPN host who made headlines earlier this year when he revealed what it is like being Justin Beiber's neighbor.

"Keyshawn might be paired with Karina Smirnoff since she did so well with Jacoby Jones last year," the same source told HollywoodLife.

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The source also revealed the rumored contestants will learn on Aug. 31 who they will be partnered up with.

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The rumored cast for season 17 of DWTS so far is:

Leah Remini

Snooki

Amber Riley

Elizabeth Berkeley

Christina Milian

Valerie Harper

Keyshawn Johnson

Jack Osbourne

Gabby Douglas

Other stars rumored to join are: Farrah Abraham, Bella Thorne, John Stamos and N'sync's JC Chasez.

The reality shw features 12 stars and their 12 pro dance partners, so fans of the show will have to wait until the big reveal is announced on Wednesday, Sept. 4 on Good Morning America.

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Dancing With the Stars Season 17