▲When she was first starting out as an actress, Berry found herself homeless and had to stay in shelters in her very early 20s. She has openly said that she is actually grateful for the experience.

▲Berry told Reader's Digest, “It taught me how to take care of myself and that I could live through any situation, even if it meant going to a shelter for a small stint, or living within my means, which were meager."

▲During an interview with 'Inside the Actors Studio,' Carrey opened up about the financial troubles his family had while he was growing up.

▲When asked about his childhood, Carrey recalled, "We were living out of a van. I quit school at age 15 to begin working to help support my family as a janitor.”

▲Before there was 'American Idol,' Kelly Clarkson was just another struggling artist in Los Angeles. When the singer first moved to the city, her apartment burned down.

▲At the time, the 'Breakaway' singer had no friends or family in the city, so she was forced to live in her car.

▲When the iconic talk show host was first starting out in Los Angeles in 1973, he had to live out of his pickup truck.

▲Letterman was able to pull himself out of financial strain when he began writing jokes for Jimmy Walker, and the rest is history.

▲It wasn't until she was cast as a Fly Girl on 'In Living Color' that the singer's career began to take off and she could financially support herself.

▲When the movie mogul started working in Atlanta, he used up all his savings trying to stage his play and soon became homeless, which lasted on and off for about six years. He lived mostly in his car.

▲His gamble on himself paid off, and in 1998 his play 'I Know I’ve been Changed' became a hit, setting Perry on the path that led to his prolific works as a writer and entertainer.

▲During her year of homelessness, she continued to write songs and perform at local coffee houses, until one day she was scouted while performing. The singer/songwriter has since sold over 30 million albums and been nominated for four Grammy Awards.

▲When he was chasing his dream of becoming a famous actor, Stallone spent three weeks sleeping at a bus station while he was anxiously waiting to find work.

▲In desperation, the 'Rocky' actor responded to an ad to star in an adult film for US$100 a day. After two days of filming, he was able to find a place to stay, and he later went on to achieve great success in Hollywood.

▲When Swank and her mother first moved to Los Angeles, they could not afford a place to stay, so they lived out of their car.

▲The 'Boys Don't Cry' actress soon came out of this rough period in her life and eventually won two Academy Awards.

▲After he separated from his first wife, Harvey could only afford to stay in hotels when he was booked for comedy shows. When he wasn't, the now-famous talk show host had to sleep in his car.

▲He told People, "A week is really the maximum you can do. This was three years! It was rock bottom. But even in my darkest days, I had faith it would turn around."

▲Before her big-time acting days, the 'American Pie' star was battling drug addiction and living on the streets.

▲Lyonne overcame addiction and is now best-known for her role in the Netflix series 'Orange Is the New Black' and her own series 'Russian Doll.'

▲After he dropped out of community college, the 'Parks and Recreation' actor fell on hard times and was living out of his van.

▲Pratt overcame that challenging time in his past, and has since starred in popular films such as 'Guardians of the Galaxy,' 'Moneyball,' and 'Zero Dark Thirty.'

▲After she had just finished touring with Prince, Electra's boyfriend at the time stole all of her money. With nowhere to go, the singer was homeless in Los Angeles for a couple years.

▲The television host and psychologist had a troubled childhood, living out of a car with his alcoholic father.

▲Despite his struggles growing up, McGraw earned his PhD in psychology and eventually got his own daytime talk show after connecting with Oprah Winfrey.

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Long before 'Frasier' skyrocketed Grammer to fame, he was reportedly sleeping in alleyways and parks while attending university.

Grammer went on to achieve greatness with five Emmy Awards, three Golden Globe Awards, and a Tony Award to show for it.

▲Before she booked her first major gig, Lopez was sleeping in her dance studio for three months because she had nowhere else to go.

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The Canadian singer grew up in poverty and lived for a time with her mother and sister in a homeless shelter in Toronto.

▲She escaped both an abusive household and poverty, and is now a country music icon.

▲All of that hardship paid off, and Jobs' tech empire made him a billionaire many times over.

▲“I wouldn’t have had this success if I didn’t struggle,” he said.

▲Of course, Cobain’s musical reputation precedes him. Many also believe the lyrics to Nirvana's 'Something in the Way' were written about his homeless period.

▲Now best-known as James Bond, there was a time when the actor was James Broke, sleeping on park benches in London as a teenager.

▲That was his life as a struggling actor, and now he’s actually turning down roles.

▲Beyond becoming an iconic rapper, Lil' Kim used her fame for good and started her own foundation called Lil' Kim Cares, working to raise funds and awareness for victims of neglect, violence, and homelessness.

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Along with blossoming into a star, she would later become an advocate, through Unicef, on behalf of homeless children.

▲When Jewel Kilcher was just 18 years old, she lived in her VW van after she was fired from her job for refusing to be intimate with her boss, according to the Hollywood Reporter.

▲The comedian was homeless as a teen in Las Vegas, reportedly selling plasma for US$40 and living off of boxed macaroni and cheese.

▲The late singer and entertainer did not have a steady place to call home as a child, and reportedly grew up being passed from relative to relative until she took to sleeping on rooftops in New York.

▲The legendary CEO of Apple wasn’t always on the path to success. During his college years, he revealed at his Stanford commencement address, he slept on the floor in his friends’ rooms, returned coke bottles for the five cent deposits in order to buy food, and walked seven miles every Sunday to get a free meal.

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His savings didn't last long and even though he found a job at a gym, he couldn't make ends meet and had to sleep in the backseat of his 1991 Lincoln Town Car. His dad had told him he'd be home with his tail between his legs in two weeks, and Cena was determined to prove him wrong. Luckily, his perseverance paid off, and Cena was on the WWE circuit by the early 2000s. He's now one of the biggest action movie stars in the world.

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The late Nirvana front man was homeless for a time in Aberdeen, Washington, reportedly living under a bridge and sleeping in hospital waiting rooms.

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Lil' Kim lived with her mother in their car when she was just eight years old, after escaping an abusive home. Then, when she was a teen, Lil' Kim’s dad kicked her out again.

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She recalled sleeping on a park bench armed with a knife, a pager, Versace heels, and pocket change, praying to be anywhere but there. Her prayers were answered when she landed parts on 'Baywatch' and 'Singled Out.'

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In an interview with The Sun, John Cena revealed that he spent a period sleeping in his car when he arrived in Hollywood. He moved to LA from Massachusetts in 1999 seeking fame and fortune, but it didn't come as quickly as he had hoped.

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Sure, many stars were rich before becoming famous, but there are quite a few who came at fame from a completely different angle, struggling with deep poverty before catching their big break. Now, with huge mansions to their names, it may be difficult for these celebrities to remember the times when they didn't have a roof over their head.

Check out this gallery to see the triumphant stories of stars who went from living on the streets to walking red carpets.