Was it Pacey or Dawson?! Katie picked between James Van Der Beek and Joshua Jackson on 'The Late Late Show.'
The 21-year-old pop star also sings 'The Late Late Show' theme song.
'The Big Bang Theory' actress had the TV personality blushing.
Zac Efron even takes on the role of the 'High School Musical' coach.
The 'Tiny Dancer' singer joined 'The Late Late Show' host for his post-Super Bowl special.
The 'Late Late Show' went carpool caroling!
The 21-year-old pop star might have a career in hosting.
James Corden and Niall Horan were terrified about participating in this game.
The 'Late Late Show' has gone country!
The actor and James Corden raced through Damon's film career on Tuesday's 'Late Late Show.'
The blind music icon is in the driver's seat!
The actor admits he did "well in the Bar Mitzvahs growing up."
The host of CBS' 'Late Late Show' says his viral strategy is about having fun, and says he wanted to pay tribute to YouTube in its 10th anniversary year.
James Corden and Demi Lovato crash the dental office of Dr. Jonathan Engel to sing his praises - literally - on 'The Late Late Show.'
