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

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 off her gold and silver medals.

“It is a GOLDen day on the HIMYM set!!!” Alyson captioned the photo.

Neil Patrick Harris also tweeted a picture, “Guess who visited HIMYM just now? Olympic Gold Medalist @McKaylaMaroney ! Here I am pointing at her.”

Pictured inside: Alyson shopping with her family and grabbing a bite to eat at California Pizza Kitchen on Friday (August 24) in Brentwood, Calif.

15+ pictures inside of Alyson Hannigan and her family shopping…