Almost 30 years after the show debuted, they're still there for you...
After the A-lister repeatedly got "cold feet", James was left pleading his case over email.
The Late Late Show host proved he's got a sense of humour about his recent box office flop.
Fans had grown sceptical after seeing some behind-the-scenes footage of James and Justin Bieber.
'My whole life ended'.
His young son Noah recently overcame liver cancer.
'He cancelled once as I was turning the corner to his house.'
The chat show host has been swotting up on Ariana's lyrics.
It's a 23-minute joy to behold.