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It's good to be Justin Bieber's friend!

The 17-year-old "Baby" singer surprised his childhood bud Ryan Butler with a brand new Mustang convertible for Christmas.

Biebs has been spending time with Butler and his family while hanging out in his hometown of Startford, Ontario for the holidays. After getting his new ride, Butler Tweeted the above photo and the following, "Justin got me a present. #swag!!!'

Pretty cool that Justin's buddy has over 650K Twitter followers. Click thru to see JB's performance for Disney's annual celebration.