STARS COME OUT FOR RIIHANNA'S DIAMOND BALL CHARITY EVENT: KIM KARDASHAN, TIA MOWRY, SALMA HAYEK & MORE

Pink ladies! Rihanna was joined by a stunning Salma Hayek at the bash, Rihanna was a lot more colourful, arriving in a stunning off-the-shoulder pink satin mermaid-style gown which clung to her curves. 

She wore her black hair ion a sleek swept over style with a side parting with a long low ponytail down her back. 

A chunky silver and pink pendant and crimson lipstick added to her dramatic look. 
The 26-year-old was supported by members of her family including mother Monica who wore a bright red frock.  

Rhianna was excited about the bash, tweeting: 'Feel so lucky to have an evening like this, to spend with people with hearts like mine, who want to change and save lives at any cost! 

She added: 'There's so much to do, and I can't do it all by myself, so I have to thank all of the supporters of and people who donated to #TheClaraLionelFoundation. 'Looking forward to seeing you later this evening.' 

And the singer got a good showing from her famous friends.  But it may have been Rihanna's charity event, held in  the extravagant Vineyard in Beverly Hills, but Kim Kardashian and mother Kris Jenner almost managed  tosteal the spotlight from the singer, with there tacky wardrobe seen below. 

Geometric: Tia Mowry-Hardrict looked striking in a one-shouldered black silky top and floor length skirt.

 Hot mesh...Kim Kardashian and her Mom 

It's a family affair: Rihanna was joined by her family member - including mother  Monica in red.

All in one: Ellen Pompeo sported an eclectic all-in-one jumpsuit.