Actor Leonardo DiCaprio who had worked with late actor Luke Perry in 'Once Upon a Time in Hollywood' said he was 'starstruck' working alongside him. 'Riverdale' star died on March 4 this year after he suffered a massive heart stroke.

"I grew up with him on 'Beverly Hills 90210', looking up to him as literally the coolest dude on Earth and honestly when I was on set, I was starstruck," DiCaprio told Extra at the film's premiere on Monday night.