His high-profile marriage to Katy Perry ended in 2011 after just 14 months.
And Russell Brand who seems to have already forgotten about his brief liaison with the A-list pop star, took a swipe at her by feigning ignorance when her name was brought up.

In a taped segment for Live! With Kelly & Michael, the 39-year-old comedian attends a meet-and-greet with school-age children to discuss the meaning of the recent Thanksgiving holiday.
The Rock Of Ages star asks the adorable group to each name who their ideal dinner guest for the annual celebration.
When one youngster replies,’ Katy Perry,’ Russell jokingly responds without hesitation by saying: ‘Katy Perry? I don’t know who that is.’