Celebrities wouldn't be anywhere without their fans, but for some unlucky stars adoration can tip over into something far more sinister. Californian Joshua Corbett faces charges of stalking and burglary this week after allegedly breaking into actress Sandra Bullock's home last summer. Terrified Sandra, 50, who was in her property at the time, was forced to make a desperate call to the police having locked herself in a cupboard. Scroll down for video . Sandra Bullock was horrified when she discovered that Joshua Corbett had broken into her house last summer . In the disturbing voice clip released byTMZ - which was played to the court as Corbett stands trail - the audibly panicked Oscar winner is heard telling the police that she is hiding in her closet. She is heard saying: 'I'm in my closet. I have a safe door. I'm locked in the closet right now.' Corbett has pleaded not guilty to the charges bought against him. Corbett broke into the house on 8 June last year brandishing a love letter for the actress. In the clip Sandra can be heard saying that she had seen him making his way up to her attic. The judge read out a section of the note which Corbett had been carrying in a black notepad which said: 'You are so hot and intelligent and lithesome and taut.' Corbett, who was found in Sandra's home clutching a love letter for the actress, has pleaded not guilty to the charges bought against him . Corbett's defense lawyer Paul Takakijan said: 'The love letter that Corbett carried with him professed nothing but love and admiration. 'There is nothing in there about harming her. The people are trying to make more of the case than there is.' Corbett also is charged with having an arsenal of illegal weapons, including assault weapons, tracer ammunition and machine guns, that were found when authorities searched his home in Montrose, California. Corbett was not armed when he was arrested at Bullock's residence, police have said. Unfortunately Sandra is not the first person to experience a celebrity stalker. A-listers such as Madonna, Kim Kardashian and Justin Bieber have also been plagued by the experience. Here FEMAIL lists some of the worst offenders... Kim was stalked by a man named Dennis Shaun Bowman who would show up to events with a jokers mask painted on his face . Kim Kardashian: Dennis Shaun Bowman . In 2010 Kim took out a restraining order on Dennis Shaun Bowman a stalker who claimed that the pair were in love. Kim wrote in court papers at the time: 'I am extremely frightened by Mr Bowman because he appears to be obsessed with me and is extremely delusional.' Kim took out a restraining order on Dennis Shaun Bowman who would use Twitter to find out which events Kim would be attending . Creepy Bowman came to Kim's attention after he started showing up at events or public appearances, often with the joker mask painted onto his face. It is thought that Dennis would discover Kim's whereabouts through her Twitter page and even though he was often asked to leave he was never put off. Kim was also said to be disturbed by ranting messages that Bowman would post on Twitter. He reportedly contacted Kim's then boyfriend Miles Austin and her sister Khloe on the social networking site. Madonna's stalker was shot after he scaled the fence of her property, he is now in a mental health institution . Madonna: Robert Dewey Hoskins . Madonna's stalker has to be one of the most terrifying of all time. Robert Dewey Hoskins was a 'psychotic' stalker who scaled the walls of her house and threatened to slit her throat. He was sentenced to 10 years in prison in 1996 after he climbed the fence of Madonna's home and was shot twice by her personal security. After breaking into her house on several occasions Robert handed Madonna's staff a note which said he wanted to slit her throat . He had invaded Madonna's property on several occasions even giving her staff a note containing his threats. Robert, who was said to have 'violent tendencies' also stalked actress Halle Berry. In 2012 he escaped the mental health institution he had been committed to after his release from prison but was found and returning to the institution. Justin Bieber was the subject of a murder plot by two convicted criminals until one of them turned himself in . Justin Bieber: Dana Martin . Justin's terrifying stalker Dana Martin was already a convicted rapist and killer when he decided to target the pop star. Along with his fellow inmate at the Las Cruces state prison in New Mexico, Mark Staake, he plotted to kill Justin, enlisting the help of Staake's nephew to carry out the plot. Dana Martin - who was already a convicted rapist and murderer - planned to kill Justin Bieber but he turned himself in before going through with the plan . The plan was that he would travel to New York to murder Justin but Dana turned himself in before they went through with it. It is thought the inmate was fanatically obsessed with the young singer and even had a tattoo of him on his leg. Nicole Kidman's stalker Matthew Hooker claimed that she had previously flirted with him, and he then called her house repeatedly asking her to go to the ballet with him . Nicole Kidman: Matthew Hooker . In 2001 Nicole Kidman won a stalking case against Matthew Hooker who claimed that the actress had flirted with him when they met. He was said to have 'seriously annoyed' Nicole after sending her a love poem and repeatedly calling her house to invite her to the ballet. Nicole said she was 'fearful for her safety and security.' Hooker said the whole thing had been very damaging to him as he had planned to run for US President. Catherine Zeta Jones was stalked by a woman who claimed that she was having an affair with her husband Michael Douglas . Catherine Zeta Jones: Dawnette Knight . Catherine Zeta Jones found herself being stalked by a woman named Dawnette Knight between 2003 and 2004. Dawnette was obsessed with Catherine's husband Michael Douglas and was convinced that they were having an affair. Dawnette Knight sent Catherine  a letter saying she wanted to cut her up and feed her to her dogs . Knight would send Catherine vile letters telling her that she planned to cut her up and feed her to her dogs. She was eventually jailed, pleading no contest to the charges of stalking levied against her and was sentenced to three years in prison. Uma Thurman's stalker Jack Jordan trailed the actress for three years but was jailed in 2008 after he sent her cards with sexually suggestive messages in them . Uma Thurman: Jack Jordan . Uma Thurman's stalker Jack Jordan trailed the actress for three years before he was eventually jailed in 2008. Jack tried to woo Uma by sending her cards and drawings with sexually suggestive messages - he also sent her a picture of an open grave with a man standing over it with a razor blade in his hand. Jordan was eventually released but was jailed again in 2010 for violating his probation and again in 2011 for refusing to take his anti-psychotic drugs. Gwyneth's stalker David Michael Soiu would send the actress five letters a day as well as boxes of pornography . Gwyneth Paltrow: David Michael Soiu . Gwyneth's stalker David Michael Soiu struck in 2000 and would send the actress up to five letters a day as well as boxes of pornography. One of his most terrifying moves was showing up at her parents' house, reportedly claiming that he wanted to take 'God's scalpel' and 'cut the sin' out of Gwyneth. He also sent Gwyneth a vibrator with the words 'because I love you' written on it. He was eventually hospitalised after being declared legally insane. Justin Timberlake's stalker Karen McNeil would turn up at his house and saying that she knew the singer and that they were destined to rule the world together . Justin Timberlake: Karen McNeil . In 2009 Justin Timberlake won a restraining order against a woman named Karen McNeil after he reported that that her 'ever-increasing aggressive and harassing conduct' was causing him to fear for his personal safety. Karen had turned up at the singer's home on a number of occasions, trespassed on his property and claimed to be a friend of the singer. Justin told the court at the time: 'I do not personally know, nor have any relationship with a Karen McNeil, nor do I desire any interaction with her whatsoever. 'I have never invited her to my property, nor has she ever been given permission to enter my property or home.' McNeil had once showed up at Justin's house with bags full of belongings claiming that the pair would rule the world together.
This week a recording of Sandra Bullock calling 911 was released .
It was made in 2014 when the actress discovered stalker Joshua Corbett in her house .
Corbett was carrying a note addressed to the actress describing her as 'hot', 'taut' and 'lithe'
Other celebrities to have experienced stalkers, including Justin Bieber, Kim Kardashian and Gwyneth Paltrow .