The actress braves a very raunchy frock

Jennifer Aniston wore a very revealing dress to attend a film gala in LA over the weekend.

The actress, 43, arrived at the Los Angeles County Museum Of Art‘s annual bash with fiancé Justin Theroux in an attention-grabbing black gown which showed off her breasts.

The full-length frock had a high-necked sheer mesh panel which ensured Jennifer didn’t suffer any embarrassing wardrobe malfunctions.

Jennifer and Justin, 41, joined Hollywood friends Drew Barrymore, Cameron Diaz and Salma Hayek at the event.

The couple were snapped smiling and laughing as Drew, 37, and husband Will Kopelman showed them photos of their 4-week-old daughter Olive on a mobile phone.

Other celebrities who appeared at the do included Rosie Huntington-Whiteley, Florence Welch and Robert Pattinson, who spent the night without girlfriend Kristen Stewart.

SEE PICTURES Jennifer Aniston Style File

SEE PICTURES Celebrity hair: Jennifer Aniston‘s styles over the years

SEE PICTURES Jennifer Aniston goes topless for perfume ad

Anna Duff