The Love Yourself singer enjoyed acting like ''a little kid'' while on a snowy break with friends to a mystery location, which he flew out to via private jet.The 22-year-old musician took to Instagram to post a video of him tobogganing down a snowy slope, which he titled: ''This is a little kid smile.'' The Sorry hitmaker posted numerous other uncaptioned pictures of his birthday outing on the social media site - which received over one million likes - including one showing his five pals sipping beers at the frozen grotto.Despite the unusual private outing the star had only one wish for his special day. He revealed via twitter on Monday ''For my bday it would be nice to be #1 :) (sic)'' Justin kicked off his birthday celebrations with a star-studded party on Saturday (27.02.16). He was joined by the likes of Joe Jonas, Kourtney Kardashian, P. Diddy, The Game and Kylie Jenner for a celebration at the James Goldstein House in Los Angeles.Justin was serenaded by his guests before flowing out his candles and being presented with a Bad Boy letterman jacket and a $100 bill by Diddy, as the rapper's track 'All About the Benjamins' played on the loudspeakers. Alongside a video, Diddy wrote on Instagram: ''Had to give lil bro that official #BadBoy Jacket for his Birthday (sic)''..