Selena Gomez is in the hospital in Los Angeles after she fell ill last night, following a guest appearance on The Tonight Show with Jay Leno. Her illness is unknown at the moment, but some speculated that she is pregnant.

Gomez’s admission to the hospital was reported by gossip site TMZ, which provided no few details about her ailment.

The Disney star was reported rushed to the hospital after complaining of nausea and a severe headache.

Both are signs of a number of aliments from minor to serious, including a brain hemorrhage, concussion or possible tumor to something as simple as an upset stomach.

It is also a symptom of early stage pregnancy in some women.

Gomez, 18, is involved in a highly publicized relationship with singer Justin Bieber. But she has sworn to remain a virgin until she marries.

The have been spotted in a number of intimate embraces, including Justin with his hands firmly on her backside.

They have also been photographed kissing.

Bieber recently met Gomez’s parents, and her mother is said to have approved of the lad.

Gomez is still at the hospital and undergoing tests, according to TMZ.

She appeared bubbly and animated on the show