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Eva Longoria is exclusively launching her new fragrance, EVAmour, on HSN today, and we're backstage with the Desperate Houswives beauty just before she goes on camera. Is she nervous?

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"I am very nervous because this is not scripted, and I'm an actress -- I'm used to having my lines," she says with a nervous giggle. "I have to actually be myself today, so it's a little nerve wracking on live TV."

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Not only is Eva's second fragrance "sexy and sophisticated and seductive," it helps to make a difference. For every bottle sold, Eva will donate one dollar to the Eva Longoria Foundation, which was created to help the Latina community build better futures for themselves and their families through education and entrepreneurship.

Tune in to HSN tonight at 8 p.m. and 11p.m. EST for the debut of EVAmour.