Andy Cohen apologized to Spencer Pratt and Heidi Montag during the Wednesday, Jan. 29, episode of 'SiriusXM’s Andy Cohen Live' after calling 'The Hills' alumna "trash" in 2011.

Spencer Pratt shut down the possibility that wife Heidi Montag will appear on “The Real Housewives of Beverly Hills” on Bravo — partly because of comments that Andy Cohen made about Montag, 38, over 10 years ago.

Pratt and Montag are also among over 20 homeowners from the Pacific Palisades who are suing the city of Los Angeles, along with the Los Angeles Department of Water and Power (LADWP) claiming its water system failed and turned a bad wildfire into an absolute catastrophe.

During the Wednesday, January 29, episode of his SiriusXM show, Andy Cohen Live, Cohen, 56, explained that after he was “tagged” in comments about Pratt, 41, not wanting to appear on Watch What Happens Live With Andy Cohen he reflected on why The Hills alum would be mad at him.

Spencer Pratt and Heidi Montag are suing the city of Los Angeles and the Department of Water and Power, alleging that the agencies' management of the water supply directly caused damage to their home in the Pacific Palisades Fire.

Spencer Pratt is willing to let go of his 14-year grudge towards Andy Cohen ... but only if the "Watch What Happens Live" host offers up a one-on-one apology to his wife, Heidi Montag.

Fans urging Spencer and Heidi Pratt to join the cast of a Real Housewives fans are going to be sorely disappointed. Spencer Pratt recently resurfaced an old feud between himself and Andy Cohen as a way to refuse to go on the network.

Cohen claimed he "would sooner stab knives into my own eyes" than see Montag join the Bravo universe Speidi won't be appearing on Watch What Happens Live any time soon. As Heidi Montag's music career makes a comeback,

Spencer Pratt and Heidi Montag are gearing up for a reality TV comeback after losing their home to the Palisades fire, for which they're suing the City of Los Angeles. The couple have been through a lot since The Hills,