Some of these celebrities may have been given what seems like the luckiest break imaginable for a kid; a leading role in a sitcom or a massive part in a movie. But behind the scenes, some of these stars were struggling with being thrust into the spotlight and some of them now regret becoming famous at such a young age. Read on to find out who...

Miley Cyrus was the child star who rocketed to fame as her fictional alter ego 'Hannah Montana' on the Disney Channel series of the same name in the late 2000s. From 2006 until 2011, Miley played a schoolgirl who lived a double life as a world famous pop star and enjoyed massive success as a result of the series with a string of top-selling soundtracks, a movie and a sell-out tour. But after the show ended, Miley changed her image drastically and released raunchy hits like 'Wrecking Ball' and 'We Can't Stop.' Despite recent joking that she tries to put Hannah's famous blonde wig on "all the time", she previously admitted that the role gave her body dysmorphia. She said: "I was made to look like someone that I wasn't, which probably caused some body dysmorphia because I had been made pretty every day for so long."

Drew Barrymore today has a successful career as a talkshow host but initially shot to worldwide fame as a seven-year-old in the 1982 movie 'E.T. the Extra-Terrestrial.' Drew appeared in a string of romcoms and other hit films in her teenage years but after enduring a tricky relationship with alcohol, drugs and media attention, later reflected that she wishes she could have had a normal childhood. She said: "I never went to school myself. I was doing a job and didn't have a kid's life."

Cole Sprouse became known to tweens around the world when he and his twin brother Dylan played the title role in the Disney Channel sitcom 'The Suite Life of Zack and Cody', which followed the mishaps of the twosome living with their single mother in the Tipton Hotel, a parody of the real-life Hilton. The series ran between 2005 and 2008 and by the time its spin-off ended in 2011, the boys were almost 19 and ready to move on. Cole - who eventually went to college with his brother and now stars on hit show 'Riverdale' - later said: "When you're a child actor, you're a minor, and so a lot of the larger business decisions that are controlling your career are outside your agency. One of the dangers of, at least in my position, which was a sitcom inside a sound stage for nine years with Disney Channel, you're raised in such an insular environment that you forget what real human experience or boots-on-the-ground actually looks like."

Mary-Kate Olsen achieved worldwide fame at the age of just nine months when she and her twin sister Ashley began to share the role of Michelle Tanner on 'Full House.' Over the next decade, the twins appeared together in a lucrative series of films such as 'Passport to Paris' and 'Our Lips are Sealed' before finally bowing out of sharing the screen together in 'New York Minute' in 2004. Now both fashion designers, Mary-Kate later said: "I look at old photos of me, and I don't feel connected to them at all… I would never wish my upbringing on anyone!"

Amanda Bynes was the face of Nickelodeon in the late 1990s and early 2000s as she starred on 'All That' and was given her own series in the form of 'The Amanda Show' a short time later. As she progressed into her teenage years, Amanda enjoyed success in cinematic success with appearances in 'What a Girl Wants' and 'Hairspray', but later quit acting altogether in 2012. Of playing an undercover teen who poses as a boy in 2006 comedy 'She's the Man', she said: "When the movie came out and I saw it, I went into a deep depression for four to six months because I didn't like how I looked when I was a boy. I've never told anyone that. It was a super strange and out-of-body experience. It just really put me into a funk!" and became "absolutely convinced" she needed to quit the industry after seeing herself in 'Easy A.'

Justin Bieber was just 13 years old when he was discovered single on YouTube by industry executive Scooter Braun He was discovered by record executive Scooter Braun. His debut album 'My World 2.0 topped the charts worldwide and spawned 'Baby', which became one of the best-selling albums of all time. Justin has continued to enjoy massive success in the music industry but explained that fame had "ripped him apart." He said: "I just want people to know I'm human. I think a lot of people are. You get lonely, you know, when you're on the road. People see the glam and the amazing stuff, but they don't know the other side. This life can rip you apart."

Jennette McCurdy is best known for starring as Sam Puckett on the Nickelodeon sitcom 'iCarly' alongside Miranda Cosgrove in the late 2000s and later reprised the role for her the short-lived series 'Sam and Cat' alongside Ariana Grande, but often felt "embarrassed" by her fame. In 2022, she released the best-selling memoir 'I'm Glad My Mom Died' in which she alleged that her mother Debra - who passed away in 2013 after a long fight against cancer - had pushed her into the industry at a young age. In it, she writes: "You can’t quit!” she sobs. ‘This was our chance! This was ouuuuur chaaaaance!' She bangs on the steering wheel, accidentally hitting the horn. Mascara trickles down her cheeks. She’s hysterical, like I was in the Hollywood Homicide audition. Her hysteria frightens me and demands to be taken care of."

Alyson Stoner appeared alongside a host of other young stars such as Hilary Duff and Ashton Kutcher as well as Hollywood funnyman Steve Martin in the 2003 comedy 'Cheaper By the Dozen.' She would later go onto roles in 'Camp Rock' alongside Demi Lovato and almost starred in her own sitcom for Disney Channel about a child star who goes to an ordinary school, but the series was later retooled into 'Hannah Montana.' Of having success at a young age, she said: "While traversing extreme peaks and valleys of global fame, hidden medical hospitalizations, artistic milestones, rapid adultification, and multi-layered abuse I wish on no one, I narrowly survived the toddler-to-trainwreck pipeline. In fact, nothing was designed for me to end up normal. Stable. Alive."

Daniel Radcliffe will forever be known for playing the titular boy wizard in the 'Harry Potter' franchise, based on the best-selling novels by J.K Rowling and while he has gone on to maintain success in Hollywood, admitted that getting a part that made him world famous at the age of 11 left him wondering who he was. He said: "Ultimately, the hardest thing about growing up in the spotlight, it’s not the easy access to drugs or the strange, sort of pandering world you enter into. The difficulty is trying to work out who you are while constantly coming up against a perception of yourself that everybody else already has."

Selena Gomez burst onto the scene as the leading role of Alex Russo in the sitcom 'Wizards of Waverly Place', which ran for four seasons and aired a TV movie between 2007 and 2011. Today, Selena is one of the biggest names in showbusiness both as a recording artist and with her roles in shows such as 'Only Murders in the Building', but recently admitted that she felt " really violated" by the media intrusion as a teenager and later told her co-stars David DeLuise and Jennifer Stone that she felt "ashamed" of the decisions she had made since quitting the role. She said: "I felt ashamed of the decisions that I made. I didn't want you guys to see me in the state that I was in, because A, you would have told me the truth, which terrifies me, and B, I didn't want to let you down."