1: Celebrities Who Passed on Roles Find out which A-listers turned down major movie roles, from Will Smith in The Matrix to Emily Blunt in Iron Man.

2: Emma Watson as Mia in La La Land Imagine Emma Watson as Mia in La La Land? The role ultimately went to Emma Stone, but Watson was considered.

3: Ryan Gosling in The Lovely Bones Ryan Gosling was originally cast in The Lovely Bones, but he dropped out due to creative differences.

4: Will Smith in Django Unchained Will Smith turned down the role of Django in Quentin Tarantino's Django Unchained.

5: Emily Blunt in Black Widow Emily Blunt declined the role of Black Widow in the Marvel Cinematic Universe.

6: Matthew McConaughey in Titanic Matthew McConaughey was considered for the role of Jack in Titanic before Leonardo DiCaprio landed the part.

7: Anne Hathaway in Silver Linings Playbook Anne Hathaway turned down the role of Tiffany in Silver Linings Playbook, which Jennifer Lawrence ultimately won an Oscar for.

8: Tom Cruise in Iron Man Tom Cruise was in talks to play Tony Stark in Iron Man, but the role went to Robert Downey Jr.

9: Gwyneth Paltrow as Rose in Titanic Gwyneth Paltrow was considered for the role of Rose in Titanic before it went to Kate Winslet.