Rihanna wore a daring see-through skirt that bared her butt while she supported A$AP Rocky's Rolling Loud set in Los Angeles on Saturday, March 15.

Rihanna made a surprise appearance at the Rolling Loud festival in Los Angeles, showing up to support her boyfriend A$AP Rocky during his first performance following his recent court case. The Sundress rapper had been embroiled in a lengthy trial against A$AP Relli,

In photos posed by People magazine, RiRi wore an all-lace blue dress with a high slit in the front. The completely see-through garment showed off her backside, which was partially covered by a thong. She also wore an oversized navy coat, a diamond necklace, and sky-high stilettos, showing off her perfectly manicured toes.