Jennifer Aniston Looks Flawless at 'Horrible Bosses 2' Premiere

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Jennifer Aniston has a new black dress, and she's causing some serious style envy.

At the London premiere of her new movie,Horrible Bosses 2, the 45-year-old actress stepped out at the premiere wearing a classy and yet sexy look. The Antonio Berardi Spring 2015 dress has a plunging neckline with flash of red underneath. It hugs her curves and pairs perfectly with her black pin point Christian Louboutin heels.

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Stealing at the spotlight at this premiere, Aniston recently told Harper's Bazaar that she's having fun. "I've had more fun post-40 than I can remember," Jen told the mag. "From a work point of view, a physical point of view, a psychotherapeutic point of view."

NEWS: Jennifer Aniston Wants a Foursome in 'Horrible Bosses 2'

Not only is she having fun, but she looks happy. Aniston has been engaged to her beau Justin Theroux since August 2012. The two recently stepped out looking very much in love, posing together on the red carpet at the 6th annual Governors Awards.

While Theroux was not on this blue carpet with Aniston, her costar Jason Sudeikis brought his love, Olivia Wilde. Wilde, 30, who also opted for a black dress, but her Michael Kors gown had a revealing side cutout.

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Sudeikis and Wilde welcomed their first son Otis this past April. Just like Aniston and Theroux, they are engaged but not married yet.

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The look of love was definitely in the air at this movie premiere!

In the Horrible Bosses sequel, the three friends, Kurt (Jason Sudeikis), Dale (Charlie Day) and Nick (Jason Bateman) decide to launch a business of their own, and they become involved in a kidnapping scheme. Horrible Bosses 2 is out in theaters on Nov. 26.

To see how cute Jennifer and Justin are together, watch the video below to see them at the Governor Awards.