EXCLUSIVE: Kym Johnson to Fill in for Erin Andrews as 'Dancing With the Stars' Co-Host

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Dancing With the Stars
is counting on one of its vets to fill in for Erin Andrews.

ET has exclusively learned that Kym Johnson will be taking on co-hosting duties this week as Andrews spends time with her boyfriend, hockey player Jarret Stoll, whose nephew recently died.

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Johnson will guest host Tuesday’s two-hour results show alongside Tom Bergeron, when the second celebrity will be eliminated.

The former DWTS pro will also co-host DWTS’ All Access online interview show on Monday. Bergeron will host Monday's live show solo.

Andrews is set to resume DWTS co-hosting duties on Monday, Oct. 3.

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Johnson last competed on season 20 of DWTS with Shark Tank’s Robert Herjavec, whom she married in July, and told ET in August that she was done with the show.

“I love the show and I love to still be part of it, but you know, I still want to hang up my dance shoes and what a way to end,” the 40-year-old Aussie said when asked about appearing on season 23. “It’s like, ‘Thank you, Dancing With the Stars.’”

Dancing With the Stars
airs Monday at 8 p.m. ET/PT on ABC.

RELATED: Kym Johnson Says She's Done With 'DWTS' After Marrying Robert Herjavec