Rihanna ditches her usual racy image to act as demure bridesmaid in elegant lilac gown... as her assistant Jennifer Morales ties the knot in Hawaii

Rihanna looked like a vision when she acted as bridesmaid at the wedding of her assistant Jennifer Morales' and Aaron Davis on Monday.

The singer made space in her busy schedule to support her close friend as she tied the knot on a beach in Honolulu, Hawaii.

Putting her edgy style to one side, the 27-year-old looked elegant in a pretty lilac gown which was floor-length in style and had white flowers emblazoned throughout. 

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Parma Violet: Rihanna looks lovely in lilac as she acts as bridesmaid for her assistant Jennifer Morales' wedding in Honolulu, Hawaii on Monday

Parma Violet: Rihanna looks lovely in lilac as she acts as bridesmaid for her assistant Jennifer Morales' wedding in Honolulu, Hawaii on Monday

The big day: Jennifer tied the knot with Aaron Davis - and Rihanna urged her friend to take his surname in an Instagram post as she congratulated the pair 

The big day: Jennifer tied the knot with Aaron Davis - and Rihanna urged her friend to take his surname in an Instagram post as she congratulated the pair 

Here comes the bride: Rihanna's pal wore a dramatic gown and veil 

Here comes the bride: Rihanna's pal wore a dramatic gown and veil 

The tulle sleeveless and low-backed number had a small train behind it and Rihanna was seen sporting a simple bunch of white roses for the occasion. 

Her red locks were piled high on her head and she put her own stamp on her outfit by adding a slick of dark purple lipstick. 

While Jennifer wore a strapless white gown to tie the knot on the idyllic sands as her superstar pal and fellow friend Melissa Forde, who was also a bridesmaid, looked on proudly. 

What a look! The singer's tulle sleeveless and low-backed number had a small train behind it and Rihanna was seen sporting a simple bunch of white roses for the occasion

What a look! The singer's tulle sleeveless and low-backed number had a small train behind it and Rihanna was seen sporting a simple bunch of white roses for the occasion

Bridal party fun: Rihanna (second from left) posed and pouted with her pals

Bridal party fun: Rihanna (second from left) posed and pouted with her pals

Rihanna has been in the tropical island to celebrate with her friends and was seen sipping on champagne seaside the day before the big wedding.

Ahead of the ceremony, Rihanna posted a tribute to her friends and posted a romantic video of them to Instragram.

She wrote: '#davis420wedding I can't believe this day is finally upon us!!!!! I'm so happy and so proud to see my big sis @jennnrosales and my big bro @the_aa become one today!!! 

Gushing: Ahead of the ceremony, Rihanna posted a tribute to her friends and posted a romantic video of them to Instragram, writing: 'I can't believe this day is finally upon us!!!!!'

Gushing: Ahead of the ceremony, Rihanna posted a tribute to her friends and posted a romantic video of them to Instragram, writing: 'I can't believe this day is finally upon us!!!!!'

Purple reign: The singer posed along with rest of the bridesmaids while on the beach and posted the gorgeous snap to Instagram

Purple reign: The singer posed along with rest of the bridesmaids while on the beach and posted the gorgeous snap to Instagram

Mr and Mrs: The newlyweds celebrated after saying 'I do'

Mr and Mrs: The newlyweds celebrated after saying 'I do'

'A wedding is a celebration of a marriage!!! That's what we gon do!!! Celebrate the marriage that we've been lucky enough to witness grow and evolve for all these years!!!! 

'#420 will never be the same again!!! God bless you both!!! And Jen you HAVE to take the Davis name b**ch!!! Pull it together (in my Jhat voice)!!! #CheersToTheDavis' 

Meanwhile, a collaboration between Rihanna and Chris Brown is thought to have been leaked. Put It Up is thought to be a leftover track from Chris' last album, according to Hollywood Life.

Fun and games: Rihanna and close friend Melissa Forde larked around in cerise robes as they hugged the bride in this humorous Instagram shot

Fun and games: Rihanna and close friend Melissa Forde larked around in cerise robes as they hugged the bride in this humorous Instagram shot

Letting their hair down: The girls paid close attention to detail in their personalised gowns as they posed for another fun snap 

Letting their hair down: The girls paid close attention to detail in their personalised gowns as they posed for another fun snap 

Adding: '#davis420wedding I can't believe this day is finally upon us!!!!! I'm so happy and so proud to see my big sis @jennnrosales and my big bro @the_aa become one today!!!

Adding: '#davis420wedding I can't believe this day is finally upon us!!!!! I'm so happy and so proud to see my big sis @jennnrosales and my big bro @the_aa become one today!!!

Trademark style: The singer likes to shock with her outfits and just last week stepped out wearing a sheer vest top which showed off her nipple piercing

Trademark style: The singer likes to shock with her outfits and just last week stepped out wearing a sheer vest top which showed off her nipple piercing

Rihanna appears to be moving an Instagram video showed her sitting at a table with what looked like a slim white tube in her hands as her pals dance around her.

After the camera cuts to her friends, it then pans back to Rihanna holding her nose for several seconds.

While the video was quickly removed from Instagram, Rihanna later shared a similar video on her own page,which shows a brief clip of her holding the tube in her hands.

Speculation has been rife as to what exactly is going on in the video. 

 What's going on? In this video, posted to Instagram, Rihanna can be seen holding a thin white tube

 What's going on? In this video, posted to Instagram, Rihanna can be seen holding a thin white tube

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