Jennifer Aniston Lounges in Underwear for Sexy New Ad

Celebrity Body May 16, 2011 AT 10:36AM By UsWeekly Staff

Credit: Courtesy of Smartwater (2)

Leave 'em thirsty for more, Jennifer Aniston!

In striking, black-and-white new ads for Glaceau smartwater, the actress, 42, shows off her perma-toned bod in two revealing new photos.

PHOTOS: Jen's hair history

In one shot (with the tagline "smart because taste never goes out of fashion") Aniston emerges from the backseat of a limo clad in a tight little black dress. In another, she flashes her gams even more in a pair of ladies-style "tightey-whiteys" and a loose-fitting shirt and she lounges. ("Smart because life is best distilled," reads the tagline in the second pic.)

PHOTOS: Jen's cover wars with Angelina Jolie

Yoga and fitness buff Aniston has been a spokeswoman for Glaceau SmartWater since 2007. Soon after the star signed on, a SmartWater executive said, "Jennifer truly embodies what smartwater is all about as she combines substance and style."

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May 24, 2011 - 2:39pm Christian Konrad Finkbeiner
How did this dude Thomas Hanrahan's comment end up posted under my name? What the hell? Though I do agree with him.
May 24, 2011 - 2:37pm Thomas Hanrahan
Jennifer Aniston is soooooooooo fine! I can't believe anyone thinks Angelina Jolie is more attractive. She's scrawny; you can see her ribs. And she's always bruised and pale and gaunt. JA has perfect tits, a perfect ass, a perfect face, perfect legs and, I'll wager, an exquisitely perfect vagina. I don't see how anyone could say she's not beautiful. And I never really considered her a blonde. Pamela Anderson is a blonde. Anyway, I wish I could clone JA and keep her in my house.
May 24, 2011 - 2:20pm Christian Konrad Finkbeiner
Jennifer Aniston is soooooooooo fine! I can't believe anyone thinks Angelina Jolie is more attractive. She's scrawny; you can see her ribs. And she's always bruised and pale and gaunt. JA has perfect tits, a perfect ass, a perfect face, perfect legs and, I'll wager, an exquisitely perfect vagina. I don't see how anyone could say she's not beautiful. And I never really considered her a blonde. Pamela Anderson is a blonde. Anyway, I wish I could clone JA and keep her in my house.
May 17, 2011 - 7:09pm Susie Tracey Dugan
Jen is smoking hot! All you haters can go back to your ice cream and chips now.
May 17, 2011 - 6:48pm Melissa Edwards
I wish she would watch Tapped and find another source of income, bottled water is a waste of money and destroys local resources
May 17, 2011 - 10:31am FootFreak Press
We are happy to announce we are now on smashwords for all you erotic ebook needs Search FootFreak Press
May 17, 2011 - 5:48am Sofie Allen
ok, who is this?????? a new acrtess? oh Jennifer A.????? way too much photoshop!! Sad for her that Smartwater retouches her till it looks like someone else. realy sad.
May 17, 2011 - 1:53am Jay Ken
Great legs!!!!
May 16, 2011 - 10:07pm Lin Dawson
Sexy as always! You are stunning Jen!
May 16, 2011 - 9:27pm Rae Kesler
She looks fantastic!!
May 16, 2011 - 7:23pm Kelly Leonard
GORGEOUS!! she looks freaking hot!
May 16, 2011 - 5:12pm Rebecca Farmer
She looks awesome!! christ i hope i look that hot at her age lol well done Jen :)
May 16, 2011 - 3:32pm Lori Lynn Whalen
Wow.
May 16, 2011 - 3:13pm Kylie Dean
She has beautiful legs.
May 16, 2011 - 2:55pm Elda Reyes
you can tell she takes care of herself b/c it shows!!
May 16, 2011 - 1:47pm Shanin Dietz
Okay Jennifer, we get it, you're beautiful. Now please stop this nonsense.
May 16, 2011 - 1:32pm Mark Lewis
She looks really good!And she's twice my age. Hot!!
May 16, 2011 - 12:55pm D Ruth Strickland
I guess Aniston has to make money,since her Movies stink..
May 16, 2011 - 12:55pm Annalee Jackson
THAT'S considered underwear?? Please. Anything to put a negative spin on an Aniston headline, as usual.
May 16, 2011 - 11:40am Layla Cane
She looks beautiful! so effortless sexy!