Cline was spotted with Prince Constantine-Alexios of Greece at a New York City restaurant, sparking dating rumors KJ Apa is apparently giving props to his costar Madelyn Cline. The Riverdale alum, 28, ...

KJ Apa is apparently giving props to his costar Madelyn Cline. The Riverdale alum, 28, reacted to the news of Cline, 27, being spotted cozying up with Prince Constantine-Alexios of Greece in New York ...