youtu.be – Watch our Justin Bieber Birthday video! Facebook.com – Become a Fan! Twitter.com – Follow Us! ClevverTV has insider details on Justin Bieber’s star-studded birthday party. I’m Joslyn Davis in Hollywood with the guest list and more. While Justin had previously said he wanted a fairly low-key celebration for his big 1-8, it seems as though that idea was thrown to the wind when Justin’s mom, Patti Mallette and his manager, Scooter Braun, through him a huge surprise party on Friday night, which was the day after his actual 18th birthday. Even Justin’s girlfriend, Selena Gomez jet-setting across the country from Florida for the fun party. The guest list included Ashley Tisdale, Samantha Droke, Kim Kardashian as well as her sisters Kylie and Kendall Jenner, and Cody Simpson. Our good pal on the show, DJ Tay James provided his DJ-ing skills for the night and “Call Me Maybe” singer Carly Rae Jepsen sang her hit song for party-goers. Thanks to some new video footage making the rounds, it looks like everyone was on the dance floor all night long — with Justin’s former swag coach, and Ashley Benson’s current beau, Ryan Goode, getting the dancing started, after being joined by Ashley Tisdale and Justin on the floor. The best of Justin’s night though? Well, according to Us Weekly, Justin was with Selena the entire time, walking her around by the hand and kissing her. The magazine’ source added that QUOTE: “It’s clear she was the best part of the night for him. He is still …