"Wrinkles are the signs of privilege that you’re alive," the supermodel said on the Friday, Jan. 31 episode of 'Today'

"I’m really sorry about that, so I apologize again," Cohen said in regards to calling Montag "trash" in 2011

Williams will return to 'The Real Housewives of Atlanta' for season 16 after taking a two-season hiatus

The 'Summer House' stars attended Bravo Fan Fest with costars Ciara Miller and Jesse Solomon on Friday, Nov. 22

Andy Cohen chats all things fatherhood and 'Real Housewives' during the first ever Bravo Fan Fest

"We're seeing each other and learning to love each other better," Alexia tells PEOPLE