John said there were many similarities between himself and the character he plays in 'The Big C.'

Monica discussed how she prepared for singing the national anthem at this year's Final Four.

Monica gives Andy props after their magical duet.

John gave advice on overcoming stage fright during the After Show.

Andy's tough questions had both guests pleading the fifth.

Andy joked with Monica about joining the 'Real Housewives of Atlanta.'

Monica belts out a song during 'You Can Du-Et.'

Andy showed off his pipes in a duet with Monica on "The Boy is Mine." Look out, Brandy!

Monica revealed that her and Brandy's relationship has grown as they've gotten older.

Andy snaps a shot of his guests.

John reminisced about the time he peed his overalls in 8th grade. It happens, John, it happens.

Monica dished on the egos (or lack thereof) of her collaborators Missy Elliot and Busta Rhymes.

John and Monica pose on the red carpet.