For some, these people are role models and inspiration, and for others, they are just personalities that are interesting to watch. We see them almost every day in social networks, movies and news, but few people know how old they are.

Below we have collected 20 celebrities who have already turned 50 and some names on this list will really surprise you.

Heidi Klum is 50 years old

Heidi Klum / Photo: Associated Press

Jennifer Lopez is 54 years old

Jennifer Lopez / Photo: Getty Images

Pamela Anderson is 56 years old

Pamela Anderson / Photo: Associated Press

Jennifer Aniston is 55 years old

Jennifer Aniston / Photo: Associated Press

Nicole Kidman is 56 years old

Nicole Kidman / Photo: Associated Press

Salma Hayek is 57 years old

Salma Hayek / Photo: Associated Press

Gwyneth Paltrow is 51 years old

Gwyneth Paltrow / Photo: Associated Press

Halle Berry is 57 years old

Halle Berry / Photo: Getty Images

Julia Roberts is 56 years old

Julia Roberts / Photo: Getty Images

Melissa McCarthy is 53 years old

Melissa McCarthy / Photo: Associated Press

Gwen Stefani is 54 years old

Gwen Stefani / Photo: Getty Images

Naomi Watts is 55 years old

Naomi Watts / Photo: Getty Images

Elizabeth Gurley - 58 years old

Elizabeth Hurley / Photo: Associated Press

Jennifer Connelly is 53 years old

Jennifer Connelly / Photo: Associated Press

Gillian Anderson is 55 years old

Gillian Anderson / Photo: Associated Press

Jennifer Garner is 51 years old

Jennifer Garner / Photo: Associated Press

Carmen Electra is 51 years old

Carmen Electra / Photo: Associated Press

Sofia Vergara is 51 years old

Sofia Vergara / Photo: Associated Press

Cameron Diaz is 51 years old

Cameron Diaz / Photo: Associated Press

Alisa Milano is 51 years old

Alice Milano / Photo: Associated Press