I'm The One DJ Khaled feat. Justin Bieber Download 'I'm The One' on iTunes
There's nothing nicer than giving something back, so here's the stars who go the EXTRA mile to give their fans a moment they'll never forget.
When Niall saw the fans that had been queueing overnight to see him on The Tonight Show With Jimmy Fallon, he wanted to treat them all to hot chocolate... but had to visit three different Starbucks' before he found one that was open 24 hours. As well as warming them up with drinks, Niall was more than happy to stop for photos too. What a gent! Picture: Twitter
When a fan reached out to Martin about not being able to afford flights to see him in Amsterdam after having bought a ticket, the super kind DJ booked him a return trip! Lucky Chris McPhadden explained, "I bought the tickets when they first went on sale because I was afraid they would sell out, but I went to Sziget in Budapest in August and traveled America in September, and the flights had gone up 300 euros, and I couldn't afford them anymore, so I chanced my luck with Martin."
Just weeks after Tom's ex, Taylor Swift, visited Lady Cilento Children's Hospital, Chris and Tom got into full character - as Thor and Loki, respectively - to visit some of Marvel's biggest fans, including around 80 brave children.
Even before she's revealed what smokin' hot outfit she'll be wearing at the 2016 MTV VMAs, Britney Spears announced she'd be donating her clothing to help raise money for the victims of flooding in Louisiana. For just $10, you could be entered into the raffle to wear Britney's ACTUAL dress and help some of the 30,000 people who had to be rescued from the rising waters. (MTV/Twitter)
17 year-old Tristan Budzyn-Barker MAY just be the most honest teen out there because he returned Thor star Chris Hemsworth’s wallet - in its entirety - leading to an appearance on the Ellen Show where Chris greeted him with a big hug, a wad of cash AND Ellen paying for his college tuition. Not too shabby!
Before hitting the road on their joint tour Nick and Demi gave a VIP preview of what’s in store to some of the kids at Children’s Hospital L.A. to meet patients and give them a surprise performance to cheer them up! Picture: Instagram
Zac shared the story, telling his fans, "This is what I love about my fans - when they get excited, but @dopekid_23 actually smashed his phone while chasing me for a snapchat - that's dedication so I'ma hook you up with a new phone my brother! To all my fans out there holdin it down - love and respect. And be careful with your phones" Picture: Instagram
It's official. The Rock has just melted ALL of our hearts with this Instagram post, where he not only welcomed the young boy Tater to the set, but also congratulated him on the young lad's bravery. Could we love this man anymore?! (Picture: Instagram)
Simon offered to pay to fly the boy out to the USA to see a specialist and donate £25,000 towards his treatment after hearing about his struggles with an aggressive form of cancer. So generous!
The London Ambulance service Tweeted this photo of Becks with London cycle paramedic Catherine after he bought and her patient hot drinks. #BuyItLikeBeckham "(Pic: Twitter)
Proving she's a selfless soul, Kendall Jenner spent her Thanksgiving driving around Los Angeles handing out parcels of food to the needy - and that is definitely in the spirit of the holiday! Picture: X17
After watching a program about a young girl trying to collect 1000 pairs of shoes for a charity that gives shoes to those in need, Kim K was so touched by the story she decided to help the little girl reach her goal by donating 1000 pairs from her and Kanye.
Britney laid down an absolutely MASSIVE donation to such a worthwhile cause, writing, "I'm so happy I've partnered with Nevada Childhood Cancer Foundation, and really enjoy raising awareness for this amazing cause. Their mission is to improve the quality of life for critically ill children, and they have been doing beautiful things for so many families. I love the positive effect these guys are having on the Las Vegas community. It makes my second home a better place." N'aww!
Justin turned up to one of his fans house to surprise her, having organised a massive party as a belated Quincenera celebration after she was very ill the previous year. He even rocked up with a selection of dresses for her to choose from and slow danced the night away with her. Too lovely!
The 'Jealous' star personally accompanied two competition winners to his gig in London after they won tickets to a 'VIP Experience' - bet they weren't expecting the man himself to come as part of the package!
The kind One Direction lad was touched when he heard about two-year-old Ruby Young's fight with neuroblastoma, and recorded a video appeal to help raise money to reach the target of £500,000 for her to get specialist treatment in the USA.
When a terminally ill fan was given one week to live, his family and friends organised a Twitter campaign to fulfil his dying wish of meeting Eminem using the hashtag #GetGageGarmoToMeetEminem. Rather than making a huge media circus out of the meeting, Eminem quietly went to meet the boy in Michigan and spent around two hours with him at his house. We LOVE. Picture: Getty
Proud #Swifties member Gena Gabrielle may have invited T. Swift to her wedding celebrations, but she NEVER though the icon would actually show up, bearing gifts! Back in April last year, Taylor popped along to the shower and made sure Gena's party was one to remember!
In December last year the ever-lovable Ariana Grande brought a little bit of kindness to her #Arianators… by treating them to some hot chocolate and cookies as they waited to see her at the Victoria's Secret Fashion Show. We love you, Ari! Picture: Instagram/Getty
The footage of this was PRICELESS when it emerged in January '14, as a group of girls singing a Beyonce song were surprised to see both Queen Bey and her Destiny's Child bandmate Kelly pop through head in the door and join them for a few songs. #ForRealz. Picture: Facebook/ SingSingKaraoke
In December 2012 Justin handed his loveable pet hamster PAC to one fan backstage at the Jingle Ball, after making her promise to take care of the furry little chap. Picture: Instagram
The pair popped into a local church back in September 2014 and happened upon a wedding, and before long they were having pictures with the bride and groom, who looked VERY happy with the surprise turn of events. Picture: Splash
The 'Changed The Way You Kiss Me' rap star gave back to some of his fans by bringing them along to a dinner at Nando's before a gig in Glasgow in March last year. Unusual, but it's clear they were LOVING it.
The 'XO' superstar gave whoever was on the end of that video-chat call one HELLUVA surprise!
Justin Bieber made sure to give the Boys And Girls Club a night to remember at a screening for his film Believe back in December 2013, when he suddenly showed up in the cinema bearing gifts. Picture: Ryanbutler/Instagram
The duo performed their song 'Same Love' while Queen Latifah officiated a mass ceremony of weddings. Aww! Picture: Getty
February 2013 saw 1D's Harry splashing the cash to pick up £3000 worth of pizzas and giving them out to the homeless in Los Angeles on his day off. #Ledge Picture: Getty
The 'Wrecking Ball' star opted to draw attention to homelessness at the awards show by suiting her date Jesse up, before revealing he had been living on the streets. Picture: Getty
The pair were more than happy to serve up food at a local shelter this past Thanksgiving. Picture: Splash
In March 2014 Ed announced he'd given out most of his clothes to charities around Suffolk. Wonder who ended up with one of his famous hoodies? Picture: Getty
Is there no end to the Biebster's generosity? After bumping into two super-fans in NYC Justin gave them a BIG gift by treating them both to a brand spanking new iPhone. Picture: PA/press
In 2011 Mila was gracious enough to accept an Internet request from Sergeant Scott Moorse as her date for the military event Picture: Splash
The frat house's 'Shake It Off' video got thousands of views online, including Taylor herself, who invited the boys along to one of her shows as a thank you.
In December 2014, Ed Sheeran fan Aimee Keogh got a big shock on Irish TV show The Late Late Toy Show when her hero popped up suddenly to sing a bit of 'Lego House' with her. OMG, SO JEALOUS!
The Hunger Games star called 911, stayed with the girl and checked with the paramedics after they arrived. Somehow we love J-Law even MORE now. Picture: PA
The Coldplay frontman visited one of his biggest fans, Ken Valiant Santiago, who is currently battling a severe illness. Ken has his brother to thank for the meet, after he posted an open letter to the band on Facebook. Picture: Twitter