The actor also revealed to ET what he stole from the set.
The ballroom spinoff doesn't premiere until October, but only ET can reveal the show's new hosts!
The 'Baywatch' star previously competed on the American version of the dance competition show, as well as season 15's 'All-Stars.'
The fan favorites from season 25 are returning as emcees for the juniors version, which kicks off Oct. 7 on ABC.
Some 'Bachelor' Nation favorites, including Corinne Olympios and Rachel Lindsay, put their biggest fears to the test as contestants on MTV's 'Celebrity Fear Factor' and ET was behind the scenes.
The actor is expected to appear in multiple episodes of the upcoming season.
The former 'Bachelorette' star also opened up to ET about her post-baby body at Hallmark's Summer TCA event on Thursday.
A source tells ET, meanwhile, that Luyendyk and his fiancee, Lauren Burnham, are set to make an appearance on 'Bachelor in Paradise.'
Kourtney Kardashian is in a mood -- and Khloe isn't having it.
The Time Team is getting a proper send-off!
The fan favorite opens up to ET about where she and Colton stand after she told Becca Kufrin she still had feelings for him.
The longtime 'Bachelor' host says 'making sure everybody feels safe' has become the show's No. 1 priority.
The 'This Is Us' star still has a lot of spirit!
The longtime 'Bachelor' host talks about the effects of the show's production shutdown during its 2017 season. The fifth season of 'Paradise' premieres Tuesday, Aug. 7 on ABC.
