The Michigan athletic department hosted its 12th annual Mock Rock competition at Hill Auditorium on Wednesday night. AnnArbor.com photographer Lon Horwedel was there to capture these images:

Lon Horwedel is a photographer for AnnArbor.com. He can be reached at lonhorwedel@annarbor.com. Follow AnnArbor.com photography on Facebook at AnnArbor.com Photo and on Twitter at @AnnArborPhoto.