Yeah, the"Go-To Power Move." Ya know, like that lil spin and smile Mariah Carey has done her whole career? Just take that and apply it to your favorite actor/actress on the big screen. Here are a few.
The George Clooney Chin-Tuck Smirk

The Tom Cruise Asshole Grin

The Sam Jackson 'Tensity Glare

The Vanessa Williams "Ermmmmhuh, I know my pussy good" Scowl

The Julia Roberts 1000 Watts of Fakeness Smile

The Jeff Bridges Check Out The Hair Gesture
