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Barack Obama -

When the former US President was six years old, he moved to Indonesia with his mother. There he attended St. Francis of Assisi Catholic Elementary School for two years.

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Kim Kardashian -

As a teenager, the middle Kardashian sister attended Marymount High School, a single-sex Roman Catholic school in the Holmby Hills/Bel Air neighborhood of Los Angeles.

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George Clooney -

George Clooney was raised a strict Roman Catholic and attended Catholic school as a child. He even served as an altar boy.

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Madonna -

Madonna's Catholic upbringing is clear in her music. She was confirmed into the Catholic Church as a child, and attended Catholic elementary schools.

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Jennifer Lopez -

J-Lo was raised in a Catholic family. She attended Mass every Sunday and went to Holy Family School, as well as the all-girls Preston High School.

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Justin Bieber -

Justin Bieber grew up in Stratford, Ontario, where he attended both a Catholic elementary school and a Catholic high school. During elementary school he was taught in French.

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Lady Gaga -

From the age of 11, Lady Gaga attended the Convent of the Sacred Heart, an all-girls private Roman Catholic School. She was self-professedly "dedicated" and "studious."

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Tom Cruise -

As a teenager, Tom Cruise went to St. Francis Seminary in Cincinnati. Apparently there was even a time when he aspired to become a priest.

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Katie Holmes -

Like her ex-husband, Katie Holmes was raised Catholic and went to Catholic school. When she and Cruise divorced, she left Scientology and went back to her original faith.

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Salma Hayek -

Salma Hayek grew up part of a wealthy, devout Catholic family. She attended Catholic boarding school, although she no longer identifies with the religion.

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Will Smith -

Will Smith actually grew up Baptist, but he did at one time attend Our Lady of Lourdes, a private Catholic elementary school in Philadelphia.

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Kristen Bell -

Kristen Bell had a Catholic school upbringing, and she has spoken publicly about how she feels the experience made her unnecessarily judgmental.

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Martin Scorsese -

Martin Scorsese's Catholic upbringing is also evident in his work, which has dealt on several occasions with Catholic guilt. Apparently there was a time he wanted to be a priest too!

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Paris Hilton -

Socialite and media personality Paris Hilton was raised in a Catholic environment and attended New York's Convent of the Sacred Heart.

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Sylvester Stallone -

In an interview, Sylvester Stallone once said of his upbringing, "I went to Catholic schools and I was taught the faith and went as far as I could with it."

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Bill Murray -

Bill Murray grew up in an Irish Catholic family with eight siblings. As a teenager, he worked as a golf caddy to fund his Jesuit school education.

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Pierce Brosnan -

The Irish actor was brought up in a Catholic family. As a youngster, he went to a school run by the De La Salle Brothers, and he served as an altar boy.

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Meg Ryan -

Meg Ryan was brought up in a Catholic family, and attended St. Pius X Elementary School in Fairfield, Connecticut.

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Gerard Butler -

Born in Scotland, Gerard Butler's Irish family is of Catholic descent. He was head boy at St Mirin's & St Margaret's High School, a Catholic senior secondary school for boys.

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Alanis Morissette -

We can learn a lot about Alanis Morissette's personal life from her music, including the fact that she was raised Catholic. She went to Holy Family Catholic School for elementary school.

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Kevin Kline -

Actor Kevin Kline was raised in his Irish mother's Catholic faith. He attended Catholic school, where he was apparently taught by Benedictine monks.

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Cyndi Lauper -

Cyndi Lauper grew up in a Catholic family, and was quite a wayward teenager. She reportedly attended, and was expelled from, several Catholic schools.

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Patrick Dempsey -

Former 'Grey's Anatomy' star Patrick Dempsey went to Catholic grammar school as a teenager.

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Mandy Moore -

Mandy Moore no longer practices Catholicism, but she grew up Catholic and attended Bishop Moore Catholic School in Orlando.

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James McAvoy -

Scottish actor James McAvoy was raised Roman Catholic. He attended St Thomas Aquinas Secondary School and briefly considered becoming a priest.

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Danny DeVito -

When Danny DeVito was 14 years old, his father sent him to Catholic boarding school to "keep him out of trouble."

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Alexis Bledel -

'Gilmore Girls' actress Alexis Bledel attended Baptist and Lutheran schools growing up. She graduated from the Catholic St. Agnes Academy in 1999.

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Martin Sheen -

Martin Sheen was born into a large Catholic family. Both the elementary and high schools he attended growing up were Catholic.

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Ralph Fiennes -

English actor Ralph Fiennes was raised Catholic and went to Catholic school.

Sources: (Ranker)

See also: The most shocking Catholic Church scandals

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