Becky G Raps With Jessie J at MTV VMAs Beauty Block Party!

Anyone else in love with Becky G‘s acid wash dress? JJJ is dying over it!

The 17-year-old rapper hit the step and repeat ahead of her performance at the 2014 Beauty Block Party presented by COVERGIRL And MTV held at Boulevard 3 on Thursday night (August 21) in Hollywood.

PHOTOS: Check out the latest pics of Becky G

“What a night. Thank you @JessieJ for having me onstage with you!” Becky tweeted after the bash, where she hit the stage to sing together with Jessie J.

You can check out one of Becky G‘s performances below (sorry about the sound — all we could find!)