Thigh's the limit! Rihanna shows off her toned legs in racy mini dress as she and Drake celebrate BFF Melissa's birthday

She's famous for her exhibitionist streak, parading her toned and lithe body in a seemingly endless array of skimpy skin-baring outfits.
And true to form Rihanna pulled out all the stops for her evening wear as she celebrated her best friend Melissa's birthday on Friday in the Los Angeles neighbourhood of Santa Monica.
The 26-year-old showed off her incredibly well-formed legs in a barely-there LBD for the evening out as she was joined by her beau Drake.

Thighs the limit: Rihanna wore a racy LBD to best friend Melissa's birthday in Santa Monica, California on Friday

The singer stood tall in silver stilettos as she wore her dark curly tresses in flowing waves over her shoulders.
Once inside a local eatery, the Diamonds star could be seen dining with her on and off boyfriend Drake.
But Rihanna was clearly fixated on her friend Melissa as she posted an Instagram snap of the two celebrating.

Looking toned: The 26-year-old displayed her lean and muscular figure

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Feeling Fine: The signer appeared to be in a good mood

In the social media snap, the Barbadian beauty holds a one hundred dollar bill over her eyes as Melissa smokes with a birthday cake in her lap.
Rihanna captioned the portrait: 'This could be y'all, but yo best friend ain't s***!!! M$$!!!'
The international star, who has recently been the subject of pregnancy reports, dispelled the rumours by wearing the tight fitting aforementioned LBD which drew attention to her enviably flat stomach.

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Fancy dining: Rihanna dined with Drake at the birthday celebration

A source told website Hollywood Life: 'Rihanna’s not pregnant with anybody’s baby.

'Motherhood is the last thing on her mind these days, like the last! She’s not in a serious enough relationship to even discuss, let alone think about having a child. Sorry, that’s not the case.'

The rumours began when Rihanna, who is in a relationship with singer Drake, was spotted drinking decaffeinated coffee.

According to Mediatakeout.com Rihanna has given up smoking weed and she ‘refused to attend the official after party on Drake's tour because there would be too much alcohol and weed smoke there.’

Celebrating: The star shared a snap of her with BFF Melissa