After the 37-year-old revealed that her first on-screen kiss was actually with a guest star on Dawson's Creek, James had only one question on his mind — which of her leading men from the ‘90s teen drama was the best kisser?!
Specifically, the host wanted to know if Dawson or Pacey (aka James Van Der Beek or Joshua Jackson) was better at sucking face.
Katie kept her lips sealed, but thankfully Ryan Reynolds — who was also on the show to promote Deadpool — weighed in to help settle the debate!
Ch-ch-check out the late night clip to find out who Ryan thinks is the winner (below)!!!