"only girl (in the world)" is a song performed by barbadian recording artist rihanna. it is taken from her fifth studio album, "loud". it was written by crystal johnson, mikkel s. eriksen and tor erik hermansen from the norwegian production team stargate and sandy vee. the latter two also handled production. the song was released on september 10, 2010. it was the lead single from "loud". critics have praised the song. they praised the strong chorus and musical production. critics also complimented the choice of song and strength of rihanna's voice. the song reached number one on the charts of several countries, including the united states, canada, australia, and the united kingdom. it won the award for best dance recording at the 2011 grammy awards.