Teen star, Selena Gomez has reportedly been tested for blood pressure issues after spending the night in hospital.
American entertainment website TMZ.com reported that the Disney actress was rushed to hospital after complaints of a severe headache and nausea.
The illness began after prerecording an interview for America's the Tonight Show on Thursday.
The starlet was then spotted returing to the hospital on Saturday for blood tests.
Selena,18, is said to be suffering from a mixture of food poisoning and exhaustion.
Her illness meant the actress was forced to pull out of a promotional appearance for her new film, Monte Carlo on Friday.
Rumours that Selena, who is dating teen heartthrob Justin Bieber, is pregnant were quickly squashed by her management team.
Justin took to Twitter to show that he was thinking about his lady, writing;"#getwellselena."
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