Jan. 8 (UPI) -- The Hills alum Spencer Pratt has announced he is running for mayor of Los Angeles, challenging incumbent Karen Bass for the seat.

"It's official. I'm running for Mayor of LA. I've waited a whole year for someone to step up and challenge Karen Bass, but I saw no fighters," Pratt, 42, wrote on X Wednesday.

"Guess I'm gonna have to do this myself. Let's make LA camera ready again! #MayorPratt #PrattForMayor #SpencerPrattForMayor."

Yes, it's official. Papers are filed and campaign is open: https://t.co/ufqXk9ZCHV pic.twitter.com/papk0cBlcd— Spencer Pratt (@spencerpratt) January 7, 2026

Pratt has been a vocal critic of how Bass and California Gov. Gavin Newsom handled last year's wildfires and their rebuilding efforts in the Pacific Palisades.