Cardi B Arrives at Rihanna's Diamond Ball

Designer Christian Siriano dresses Cardi B like a Disney princess for Rihanna's annual Diamond Ball...

Cardi in Siriano at the #diamondball! Soooo chic! #christiansiriano #biggerisbetter #rihanna

A post shared by Christian Siriano (@csiriano) on Sep 14, 2017 at 5:34pm PDT

Giving them Disney princess vibes tonight! @iamcardib in Siriano at the #diamondball styled by @kollincarter 💎💎💎💎💎💎 #rihanna

A post shared by Christian Siriano (@csiriano) on Sep 14, 2017 at 5:55pm PDT

Cinderella moments with @iamcardib! #christiansiriano #diamondball #rihanna #cardib

A post shared by Christian Siriano (@csiriano) on Sep 14, 2017 at 7:16pm PDT