Paris Hilton looked buoyant for dinner with boyfriend

Paris Hilton looked buoyant as she went out for dinner with on-off boyfriend Doug Reinhardt in a low-cut mini dress.

The wealthy socialite is well known for her (financial) assets but it appears she has invested in a push-up bra as well.

The couple were dinning at Mr Chow in Beverly Hills for toyboy Doug's birthday.

Paris Hilton gives her cleavage a boost with a push-up bra as she takes boyfriend Doug Reinhardt to Mr Chow in Los Angeles for his birthday

Reality TV star Paris, 28, wore a black, low-cut baby doll dress - with a diamante neckline that drew attention to her larger-than-normal cleavage.

She accessorised with a bling diamond necklace, hairband, earrings, bracelet and ring.

Baseball player Doug, who turned 24, also invited his family to the meal on Thursday evening

Paris wrote on Twitter: 'Just had a lovely birthday dinner with Doug and his family at Mr Chow.'

The socialite said she had a 'lovely' dinner with her baseball player toyboy, Doug Reinhardt and his family in a Twitter message

The natural look: Paris shopping in Hollywood on Wednesday (left) and at the launch of her BFF show in September last year

But although her appearance will lead to speculation that she has had a breast augmentation or is pregnant, the socialite has been well-known for appearing with a full cleavage one day and a flat chest the next.

In the past she has credited her lingerie line for giving her the appearance of boosting her cup size.

In OK! Magazine in 2007 she said: 'In my lingerie line, I have a bra that I designed for flat-chested girls and it makes your boobs look huge! People think it’s fake boobs.

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