Rihanna: House of Blues Roc Nation Benefit!

Rihanna hits the stage at the Three Six Zero and Roc Nation Benefit held at the House of Blues on Sunday (February 12) in West Hollywood, Calif.

The 23-year-old singer performed her hit single “We Found Love” and “Where Have You Been” with Calvin Harris.

PHOTOS: Check out the latest pics of Rihanna

“Congratulations #RihannaNavy!!!” RiRi tweeted after attending the 2012 Grammy Awards. “Love u, Yall make me so proud, Every time!!! 2 more Grammys to add to our collection, Lol! Adele I love u!”

All proceeds benefited the Childrens Orthopaedic Center and The Mark Taper-Johnny Mercer Artists Program at Childrens Hospital Los Angeles.

10+ pictures inside of Rihanna performing at the House of Blues…