Selena Gomez Appearance at Santa Monica Place Canceled After She Is Reportedly Hospitalized

Selena Gomez is in the hospital, and her planned performance and Q&A at  on Friday afternoon has been canceled, according to TMZ.

The pop singer/ actress is undergoing "routine tests" at a Los Angeles hospital, the site reports. She was taken there Thursday after the taping of an appearance on The Tonight Show With Jay Leno.

Gomez's three-song set at Santa Monica Place was supposed to mark the beginning of a 10-stop tour of malls across the U.S. The actress/singer has been hyping her upcoming flick, Monte Carlo, and new album, When the Sun Goes Down.