Credit: Jon Kopaloff/FilmMagic

Heidi Montag will soon be talking hot topics.

The Hills star, 23, will guest host ABC's The View Oct. 1, occupying the seat of Elisabeth Hasselbeck, who is on maternity leave.

Also guest hosting: Former View star Lisa Ling (Oct. 5-6), Ugly Betty star Ana Ortiz (Oct. 8), The Big Bang Theory star Kaley Cuoco (10/13) and American Idol judge Kara DioGuardi (Oct. 15). 

Montag's appearance should generate the most buzz.

When she and husband Spencer Pratt last appeared on the show in June, she compared herself to Mother Teresa