Jessica Alba is known as one of the sexiest women in Hollywood, but she showed her sillier side when she busting out some dance moves on Late Night With Jimmy Fallon Show Monday night, and RadarOnline.com has the clip.
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“I usually do my own random dancing, in the house,” Alba, 29, told Fallon.
“I feel so old when I go to clubs now. I used to clear the floor, go all out, do routines!”
Then when Fallon’s house band The Roots started to play some lively tunes Alba jumped-up and started shaking her booty.
The studio audience roared their approval as Jessica showed off her wilder side.
Not to be outdone, Fallon then showed off his dance moves.
Alba returns to the big screen in the comedy, Little Fockers, in which she plays a sexy pharmaceutical rep alongside Ben Stiller, Robert De Niro, Barbra Streisand and Owen Wilson.
Little Fockers will hit theaters on Wednesday, December 22.