As teens, we all had dreams of what the perfect prom would be. For some, it was their crush asking them out, a slow dance and their first <a href="http://vt.co/entertainment/celebrity/scientists-reveal-female-celebrity-kissable-lips-planet/" target="_blank" rel="noopener noreferrer">kiss</a>. Others were happy to just sneak some booze in, have a few shots and hang out with their mates all night. But rarely do things come together quite like the people on this list, whose dreams literally came true when their idols visited their prom. 1. Kylie Jenner In August 2017, <a href="http://vt.co/entertainment/celebrity/fans-convinced-kylie-jenner-married-newly-emerged-photo-goes-viral/" target="_blank" rel="noopener noreferrer">Jenner</a> joined Albert Ochoa at Rio Americano High School in Sacramento after she heard of his problem. Kylie, who had never been to prom because she was home-schooled, heard that his prom date rejected him on social media so turned up to go with him. "After prom, everyone wanted to be my friend," he told Teen Vogue. "I never expected so much attention in one night." [[twitterwidget||https://twitter.com/sam_adams_10/status/850948602981629952]] 2. Rihanna Years ago MTV had a show called Once Upon a Prom, in which Rihanna chose Richard out of a group of high school students who didn't have prom dates that year. It was also her first prom. 3. Katy Perry While on a trip in Australia with Ruby Rose, the pair came across a high school prom at the Grand Hyatt, where they were staying. According to Ten News, she took selfies with high schoolers and performed Beyoncé’s 'Single Ladies (Put a Ring On It)' and took selfies. [[twitterwidget||https://twitter.com/katyperry/status/21064900572]] 4. Vanessa Hudgens Hudgens surprised Cesar Guerro, who was battling cancer, at his prom in 2014 in LA. The party was thrown by The Art of Elyisum, where she had worked in past years. [[instagramwidget||https://www.instagram.com/p/sQLdUwHLqO/]] 5. Tupac High school student Kia Chenelle wrote a letter to the rapper's fan club asking for him to be her prom date in 1996, and was shocked when he came to her door that night. "He was by himself," Kia later recalled to VH1. "No reporters no homies just 2pac Shakur at my doorstep. He also reportedly gave her $1,500 for her dress and arrived with a limo, staying the night for a few dances. 6. Justin Bieber In 2015, Bieber crashed the Chatsworth High School prom as he was recording nearby. "Always wanted to go to prome," he later wrote on Twitter. "Thanks for having me." [[twitterwidget||https://twitter.com/justinbieber/status/592392017784614912]] 7. Jason Derulo In 2013 Derulo showed up to perform at Culver City High School, and announced the event's prom king and queen. 8. Selena Gomez <a href="http://vt.co/entertainment/celebrity/selena-gomez-dedicates-woman-year-award-francia-raisa/" target="_blank" rel="noopener noreferrer">Gomez</a> and some friends turned up at the Etobicoke Collegiate Institute prom after her dinner party was held at the same premises, according to PEOPLE. She was reportedly asked to leave at 11 pm as they weren't actually students. [[twitterwidget||https://twitter.com/selenagomez/status/2232367836]] 9. John Mayer It may have taken two years of convincing, but eventually the singer showed up at the 2004 prom at Pennsbury High. He performed three songs and told the students to "go be amazing people". [[youtubewidget||https://www.youtube.com/watch?v=VOFgmyQg-aE]] 10. Taylor Swift Swift also tried out Once Upon A Prom, in 2008, after she missed out on her own prom due to her tour schedule. She chose Whit Wright out of 50 dateless guys at Hillcrest High School in Alabama, with the singer later telling PEOPLE that he was "so down to earth and all-American... he was unbelievably sweet". My prom, like many others, was a pretty disappointing affair - but I know an appearance from Rihanna would have definitely made it a night to remember. And who knew Tupac would have gone for something like that?

10 Celebrities who went to prom with a fan

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