Bieber's girlfriend Selena Gomez back onstage, performs mini-show [PHOTOS]

Justin Bieber's girlfriend, actress and singer Selena Gomez is back onstage. The 18-year-old performed at the Santa Monica Place mall on Monday afternoon in an event organized to promote her new movie Monte Carlo.

Selena and her band, the Scene, played two of her hit songs, Who Says and A Year Without Rain. Selena, wearing a white blouse over a white tank top and black shorts, with a pair of black strappy heels, shared a few words regarding her upcoming movie Monte Carlo.

I do feel better, thank you so much! Selena told the crowd. The teenage star was hospitalized last Thursday in Los Angeles after she complained of nausea and headache.