27 August 2012 at 6:57 AM

Alyson Hannigan: McKayla Maroney Visits 'How I Met Your Mother' Set

alyson hannigan mckayla maroney visits himym set 082708287

About Photo #2708287: McKayla Maroney poses with Alyson Hannigan in this new pic posted to Instagram. The 16-year-old Olympic gymnast stopped by the How I Met Your Mother set and showed…Read More Here