Singer and actress Selena Gomez poses for photographers during an appearance at the Santa Monica Place mall to promote her new movie "Monte Carlo" in Santa Monica, California June 13, 2011. Gomez was due to make the promotional appearance June 1
Singer and actress Selena Gomez poses for photographers during an appearance at the Santa Monica Place mall to promote her new movie "Monte Carlo" in Santa Monica, California June 13, 2011. Gomez was due to make the promotional appearance June 10 but fell ill and was hospitalized for routine tests. Reuters

A hospital visit can't keep Selena Gomez from doing what she loves most: performing.

Singer and actress Selena Gomez was recently hospitalized after an appearance on late night television where she complained about severe headaches.

While she was in the hospital #GetWellSelena was a trending topic on Twitter.

On Monday, the pop star seemed to be feeling a lot better as she took the stage for a Santa Monica Place show. The show was initially scheduled for Friday, but had to be rescheduled due to her hospitalization, according to a report by People.com.

I want to thank you so much for coming, the 18-year-old singer told more than 500 fans that came to see her at the outdoor mall. If you guys came on Friday, I'm so sorry that I couldn't be here ... I lvove you guys very much.

While at the mall, Gomez was asked by reporters about the reason she was hospitalized.

I was just very malnourished, so I was low on iron and exhausted, Gomez said.

On Monday, Gomez have an energetic performance showing no signs of health problems. She performed Who Says, and A Year Without Rain.

I do feel better! she exclaimed to the crowd.

Scroll down to watch the video of Gomez performing Who Says.

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