Rihanna held The First Annual Diamond Ball in Beverly Hills last night (December 11) in aid of a foundation that aims to improve the quality of life in the community.
Money raised at the ball went to Rihanna's own Clara Lionel Foundation that "works to improve the quality of life for communities globally in the areas of health, education, arts and culture."
The singer started the foundation two years ago and took to Twitter to thank it's supporters, "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.
"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 an people who donated to #TheClaraLionelFoundation"
Jimmy Kimmel played host for the night with Brad Pitt introducing Rihanna to the stage for a performance.
Kim Kardashian, Nikki Reid, Ellen Pompeo and Salma Hayek were among the stars in attendance.
Rihanna with her grandfather Lionel Brathwaite
Rihanna and host Jimmy Kimmel
Brad Pitt
Grey's Anatomy star Ellen Pompeo
Rihanna and Salma Hayek