Top 5 Higher Grosser Movies of alltime world wide

1. Avatar  (2009)

Gross Collection Worldwide: $2,782,275,172

Director: James Cameron
Produced by:
James Cameron
Jon Landau
Writer: James Cameron
Starring:
Sam Worthington
Zoe Saldana
Stephen Lang
Michelle Rodriguez
Sigourney Weaver

2. Titanic (1997) 

Gross Collection Worldwide: $2,186,772,302

Director: James Cameron
Produced by
James Cameron
Jon Landau
Writer: James Cameron
Starring
Leonardo DiCaprio, Kate Winslet, Billy Zane, Kathy Bates, Frances Fisher, Bernard Hill, Jonathan Hyde, Danny Nucci, David Warner, Bill Paxton

3. The Avengers (2012)

Gross Collection Worldwide: $1,518,594,910

Director: Joss Whedon
Producer: Kevin Feige
Story by
Zak Penn
Joss Whedon
Starring
Robert Downey, Jr., Chris Evans, Mark Ruffalo, Chris Hemsworth, Scarlett Johansson, Jeremy Renner, Tom Hiddleston, Clark Gregg, Cobie Smulders, Stellan Skarsgård, Samuel L. Jackson

4. Harry Potter and the Deathly Hallows: Part 2 (2011)

Gross Collection Worldwide: $1,341,511,219

Director: David Yates
Produced by
David Heyman
David Barron
J. K. Rowling
Screenplay: Steve Kloves
Starring
Daniel Radcliffe, Rupert Grint, Emma Watson

5. Iron Man Three (2013)

Gross Collection Worldwide: $1,215,439,994

Director: Shane Black
Producer: Kevin Feige
Screenplay by
Drew Pearce
Shane Black
Starring
Robert Downey, Jr., Gwyneth Paltrow, Don Cheadle, Guy Pearce, Rebecca Hall, Stephanie Szostak, James Badge Dale, Jon Favreau, Ben Kingsley