Leonardo DiCaprio Set to Play Sinatra?

"Shutter Island" star Leonardo DiCaprio and director Martin Scorsese sat down with ABC's "Nightline" to address the rumor that the pair will be collaborating a fifth time for a Frank Sinatra biopic. Is it true?

The three-time Oscar nominee also tells "Extra" he's happily team with Scorsese again for the upcoming Frank Sinatra biopic.