In a response to the comedian’s playful jab Friday, Obama tweeted, “I’ll see you tonight @jimmyfallon. Bring your game face!” –mo”

Fallon replied along with an accompanying photo, “Here’s my game face. What’s yours?” 

Obama didn't hold back, tweeting a photo of her attempt at a ferocious face along with the message, "Game on, Jimmy. See you soon! -mo"

Photos: Twitter