Jennifer Aniston's husband Justin Theroux may want to look away.On his wife was seen caressing a handsome man on the set of a SmartWater photo shoot in the Universal City neighborhood of Los Angeles.

The Friends vet was not in jeans and a T-shirt either. Rather the beautiful blonde was dressed to the nines as she showed off her chest in a plunging black and white floor-length gown.

The beauty looked ravishing with her long blonde locks stick straight and her makeup done in a dramatic red-carpet style. Aniston also was wearing her diamond engagement ring from her Wanderlust co-star.

The mystery man had on a white T-shirt, black jeans and white sneakers. He was most likely the photographer at the shoot for the bottle water company as he was seen behind a camera.

Also seen on set was Aniston's longtime hairstylist Chris McMillian who she launched Living Proof with.And there were a female makeup artist on standby.

Aniston seemed to be in good spirits as she held onto an iPad and played with her hair. 

The Vogue cover girl wed actor Theroux in August at their Bel-Air mansion with Sandra Bullock and Courteney Cox as guests.

Theroux and Aniston have seemed to be happy newlyweds as they have traveled to Mexico as well as their other residence in New York in the past year.