Celebs: 18 Hollywood stars you didn't realise were the SAME age

Hollywood actors are under a lot of stress to look perfect all the time and sometimes that takes its toll.

Sometimes stars who are the same age look very different ..so much so that you might not believe that they of the same age.

Paul Rudd and Matthew Perry — 47

Mario Lopez and Adrien Brody — 43

Angelina Jolie and Chelsea Handler — 41

Tom Cruise and Jim Carrey — 54

Ellen DeGeneres and Madonna — 58

Halle Berry and Cynthia Nixon — 50

Emma Watson and Margot Robbie — 26

Eva Mendes and Amy Adams — 42

Samuel L. Jackson and Richard Gere — 68

Jared Leto and Ben Affleck — 44

Jennifer Aniston and Gwen Stefani — 47

Jennifer Lopez and Renée Zellweger — 47

Kourtney Kardashian and Katie Holmes — 37

Natalie Dormer and Britney Spears — 34

Pharrell Williams and Eric Dane — 43

Daniel Radcliffe and Luke Bracey — 27

Sandra Bullock and Laura Linney — 52

Anna Kendrick and Scarlett Johansson — 31