Rihanna Missing Backup Dancer Found Alive ... Hospitalized

10/25/2016 2:37 PM PDT

Rihanna's Missing Backup Dancer Found

Breaking News

Shirlene Quigley -- a former backup dancer for Beyonce and Rihanna -- has been found and she's safe but getting some sort of medical treatment ... TMZ has learned.

Law enforcement tells us she was found somewhere in New Jersey and is getting help at an undisclosed medical facility. 

Shirlene was reported missing Monday after friends and family became alarmed when they couldn't locate her. Cops found her car outside a Hertz facility in New Jersey and her phone was subsequently found at a bridal store in Manhattan. 

Celebs including Rihanna and Missy Elliott put the word out asking people to help find her.

As for the treatment she's receiving ... cops are mum, only saying she's ok.

Shirlene's dad is flying from California to New Jersey to be with her.