The most glorious celebrity comebacks - Health, personal problems, or a career break, are just a few of the reasons that can drive a celebrity away from the spotlight.

Returning to their former glory is not an easy task, but these stars made it look easy. Click on the next picture and get to know the most successful celebrity comebacks!

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Mandy Moore - The teen star first became famous as a singer. In 2002 she starred in 'A Walk to Remember.' She continued her acting career with less predominant roles, until in 2016 she appears as one of the protagonists of the hit show 'This Is Us.'

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Britney Spears - The singer has had many hit singles since the beginning of her career, but in 2007 she faced a number of personal problems. The situation was closely monitored by the press. However, in 2008 the singer returned stronger than ever with the album 'Circus' and a world tour.

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Winona Ryder - She was great in movies such as 'Edward Scissorhands' (1990) and 'Girl, Interrupted' (1999). However, Ryder was arrested in 2001 for theft. She played small parts in a number of movies, but made her big comeback in 2016 with 'Stranger Things.'

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Neil Patrick Harris - He became a teen star in 'Doogie Howser, M.D.,' (1989 to 1993). Roles of little prominence followed, until in 2004 he starred in 'Harold & Kumar Go To White Castle,' as a fictionalized version of himself. The following year he became one of the protagonists of the hit series 'How I Met Your Mother.'

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Matthew McConaughey - The actor was known for his roles in romantic comedies, but he decided to change his career path and started looking for more serious roles, such as the one he played in the series 'True Detective.' McConaughey also received an Oscar for his performance in 'Dallas Buyers Club' (2013).

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Tina Turner - After a career alongside her husband, Ike Turner, during the 70s, Tina decided to embark on a solo career. Success was hard to come by, but in 1984 the singer released the album 'Private Dancer,' which was hugely successful and catapulted her to stardom.

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Robert Downey Jr. - After starring in several successful films during the 80s, in 1993 the actor was nominated for an Oscar for his performance in 'Chaplin.' Between 1996 and 2001 he was arrested several times. In 2008 he starred in 'Iron Man,' which turned him into one of Hollywood's best-known actors.

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Cher - After enjoying tremendous success throughout her career, in the 90s, Cher was seen as a star of the past. However, in 1998 she released the song 'Believe,' which became a huge success worldwide.

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Ellen Degeneres - She was the protagonist of the series 'Ellen' until 1998. In 2003 she voiced the animated character Dory, in 'Finding Nemo.' In the same year, her talk show, 'The Ellen DeGeneres Show', went on air and made her more famous than ever.

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Matthew Fox - He gained notoriety in the series 'Party of Five,' which debuted in 1994 and ended in 2000. Small roles followed, until in 2004 he starred in the series 'Lost' as one of the protagonists.

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Vanessa Williams - The actress won the Miss America title in 1983, but was stripped off her title because nude photos of her were published. In 1988 she bet on a musical career and it was the best decision she could ever made. Since then, she has had many hit songs and played successful roles in movies.

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Mayim Bialik - She was the protagonist of the series 'Blossom' from 1990 to 1995. Bialik focused on her studies while keeping her acting career in the background. In 2010 she joined the main cast of 'The Big Bang Theory' and the rest is history!

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Mariah Carey - After enjoying tremendous success during the 90s, the singer failed to achieve the same success with either 'Glitter' (2001) or 'Charmbracelet' (2002). However, in 2005 Mariah Carey released 'The Emancipation of Mimi,' which was a huge success.

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Ed O'Neill - He was one of the protagonists of the sitcom 'Married... with Children.' The show came to an end in 1997 and since then it was possible to see the actor in small roles. Until 2009, when O'Neill made a successful comeback with the hit series 'Modern Family.'

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Adele - The singer became a star in 2012 with her album '21.' After winning several Grammys, Adele decided to take a break from music. In 2015 she returned and released the album '25,' which features hits such as 'Hello.' Adele received five more Grammys.

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Michael Keaton - The actor reached the peak of his career when he played Batman on the big screen in the late 80s and early 90s. After that he didn't have any prominent roles, until in 2014 he starred in 'Birdman.' His performance earned him an Oscar nomination.

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Drew Barrymore - After enjoying great success as a child, Barrymore was admitted to a rehabilitation clinic at the age of 14. She played small roles in the 90s until she made her big comeback in movies such as 'Scream' and 'Charlie's Angels.' Barrymore is the protagonist of the show 'Santa Clarita Diet.'

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Christian Slater - He starred in many successful movies during the 80s and 90s, including 'Robin Hood: Prince of Thieves' and 'Interview with the Vampire.' He faced some personal problems and got parts in small movies. However, in 2016 he made a glorious comeback with the show 'Mr. Robot' and was awarded a Golden Globe.

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Eminem - The rapper shone for several years until he moved away from the spotlight. In 2009 he returned with an album that was a commercial success but did not get the best reviews. The following year he released another album, which featured the hit song 'Love the Way You Lie,' a collaboration with Rihanna that was a huge success.

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Natasha Lyonne - After taking part in some 'American Pie' films, she faced some problems with drug use in 2005. Lyonne had minor appearances in some productions, until she made a comeback with the hit series 'Orange Is the New Black.'

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Patrick Dempsey - The actor enjoyed great success in the 80s, but in the 90s he didn't play any outstanding roles. In 2005 however, he hit the jackpot as the iconic McDreamy in 'Grey's Anatomy.'

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Taraji P. Henson - She starred in the movie 'Hustle & Flow' (2005). In 2008 Henson was nominated for her performance in 'The Curious Case of Benjamin Button.' She then starred in the series 'Person of Interest.' It was not until she starred in the series 'Empire' in 2015 that Henson got back into the spotlight.

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Robin Wright - The actress was brilliant in movies such as 'The Princess Bride' (1987) and 'Forrest Gump' (1994). Roles in smaller movies followed, until in 2013 'House of Cards' kickstarted her career. Since then she has had several nominations for the Emmys.

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Kesha - The singer has enjoyed great success, since 2009, with songs such as 'Tik Tok' and 'Timber.' In 2014 she checked into a rehabilitation clinic and accused her producer, Dr. Luke, of sexual harassment. After much controversy the singer returned to the stages in 2017 with a new image and a new hit single.

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Shania Twain - She was one of the most famous country singers of the 90s. A divorce and Lyme disease put a brake on her career. However, Twain made a comeback in 2017, releasing her first studio album in 15 years.

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Alexis Bledel - She was one of the protagonists of the hit series 'Gilmore Girls,' which debuted in 2000 and ended in 2007. After the series ended, the actress played various small roles, until in 2017 she made a comeback with the return of 'Gilmore Girls.' Bledel received an Emmy for her work on 'The Handmaid's Tale'.

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D’Angelo - The singer enjoyed great success with his first two albums, released in 1995 and 2000, respectively. Personal problems and substance abuse led him to step down from the stages. He returned in 2014 with the album 'Black Messiah,' which earned him two Grammys.

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JoJo - The singer enjoyed great success as a teen star in the early 2000s. However, problems with her record label put her career on a hiatus. In 2016 she returned with a new song that also brought her a new type of audience.

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Paula Abdul - Paula Abdul was a very successful artist in the 80s, but she completely 'vanished' in the 90s. In 2002 however, she joined the 'American Idol' judge panel and since then she hasn't look back.

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