Demi Lovato Celebrates Her Birthday With BF Wiler at Knott’s Berry Farm – August 22 By - August 22, 2015 37 0 Share on Facebook Tweet on Twitter Demi Lovato celebrating her birthday with boyfriend with Wilmer at Knott’s Berry Farm in Buena Park on August 22, 2015. Looks like fun! Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Google+ (Opens in new window) Related Related ArticlesMore From Author Videos Demi Lovato Watches Fan Covers On YouTube Candids Demi Lovato at Jimmy Fallon studio in New York on September 18 Performances Demi Lovato Performs at Spotify Superfans in LA – September 15th Events Demi Lovato Performs at Hand In Hand A Benefit For Hurricane Event – September 12th Candids Demi Lovato at Disneyland in Anaheim, CA on September 10 Leave A Reply Cancel reply Please enter your comment! Please enter your name here You have entered an incorrect email address! Please enter your email address here Notify me of follow-up comments by email. Notify me of new posts by email.