When it comes to Emmy-night hairstyles, it's not hard to agree that Jessica Biel's look deserves an award of its own. The half-up, half-down, cascading style was, in a word, stunning.

“For Jessica’s hair, I created a sexy, voluminous, 1960’s era style with cascading waves, inspired by Valley of the Dolls and Barbarella,” says Virtue creative director Adir Abergel.

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The first-step secret : None other than mousse . Abergel set a "strong foundation" at the roots with Virtue Uplifted Volumizing Whip ($36), which clearly created incredible volume, plus some body and bounce. (The entire healthy-hair line uses a human keratin to really repair.)

The product also seems to do a serious number in the hold department, helping Biel's 'do stay put, even in a limo with a broken air conditioner on the way to the show, as she shared on Instagram .