Landlord said she was acting strangely before she disappeared

Her father said she could have been there getting something for a show

Quigley's cell phone was found at a bridal shop in Chelsea on Sunday

The missing backup dancer who worked with Rihanna and Beyonce has been found alive, police say.

Shirlene Quigley, 32, of North Bergen, New Jersey, was located and is receiving medical treatment at an undisclosed location, TMZ reported.

It's unclear why she vanished or what she is being treated for, but police have confirmed she has been hospitalized in New Jersey.

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Shirlene Quigley (pictured), 32, of North Bergen, New Jersey, has been found alive and has been hospitalized, according to police

Rihanna (left) has asked her fans to help find one of her backup dancers, Quigley (right), 32, who went missing on Sunday morning. It is unclear what Quigley is being treated for

On Monday night, Rihanna took to Instagram to post an image of Quigley and implored her fans to contact police if they had any information

The Umbrella hit-maker also posted a short video of Quigley (pictured) along with her plea for help finding her

Her father, Brad Quigley, is flying out from California to be with his daughter.

On Monday night, Rihanna asked her fans to help find Quigley, who went missing early Sunday morning.

Quigley worked with the Umbrella hit-maker in several of her live performances and danced backup in her music video for 'S.O.S.'.

Quigley has also danced for Beyonce, Missy Elliot and Jamie Foxx.

Missy Elliott also tweeted out the dancer's image several times and asked anyone with information to come forward.

Missy Elliott also tweeted out the dancer's image several times and let her followers know once Quigley had been located

Earlier she implored her fans to pray while Quigley was still missing and posted videos and pictures of the dancer

Rihanna posted an image of Quigley on Instagram and implored her fans to contact police if they had any information.

'This beautiful soul, and former dancer of mine is MISSING!!! My heart aches thinking of how heavy this is on all who love her!

'If anyone has seen or has any information on @shirlenequigley's whereabouts ..... PLEASE CONTACT the North Bergen Police Department,' Rihanna wrote.

Quigley, who works as a dance teacher at the Peridance Capezio Center and Broadway Dance Center in Manhattan, disappeared after getting on a bus at Port Authority Bus Terminal in New York City around 1am.

It's not known where she was headed.

Quigley, who appeared in Beyonce's 'Crazy In Love' music video (pictured), was last seen getting on a bus at Port Authority Bus Terminal in New York City

Her cell phone was later found at a bridal shop in Chelsea, according to police (Quigley pictured behind Beyonce in the music video)

Quigley's father Brad Quigley said she typically calls him every day around 6pm, but when she missed her daily chat, he became worried, NBC New York reported.

Her cell phone was later found at a bridal shop in Chelsea, according to police.

Brad said she might have been at the shop to get something for a performance but the reason she was there has not been made clear.

Quigley, who is deeply religious and celibate, was saving herself for marriage and he parents were unaware if she was in a relationship or considering getting married.

'What’s really odd is that, if she got married, she would so want me and her mother to be there. I don’t know what’s going on,' Brad told the New York Post.

He said before she vanished she was acting 'euphoric'.

Friends have said she was acting bizarrely and reportedly gave a friend a cryptic message before her disappearance.

'Get ready, it's about to happen and I'm going to need you to sub for me,' she allegedly told an unidentified friend.

Another friend wrote in to Gothamist saying Quigley's car is also missing.

Before she disappeared, Quigley told a friend: 'Get ready, it's about to happen and I'm going to need you to sub for me'

A car similar to Quigley's 2006 Silver Mercedes C230 has since been located but it is unconfirmed if it belongs to the 32-year-old

'Shirlene is a responsible and successful professional dancer and beloved dance teacher who has been missing since her phone was found and turned in to the police on Friday evening.

'She was last seen early Sunday morning at Port Authority and may be disoriented and in need of medical attention. Her car, at this time, is also missing,' the friend said.

A car similar to Quigley's 2006 Silver Mercedes C230 has since been located but it is unconfirmed if it belongs to the 32-year-old.

The dancer's landlord said he saw her leave her New Jersey home, where she lives alone, on Saturday afternoon. He later called a friend of hers saying she didn't seem well.

Police said they do not suspect foul play and they are investigating the case as a missing person (pictured, right, behind Rihanna, center)

Other notable performances include dancing back up at the VMA's, Grammy's and ESPY Awards

Quigley's dance career took off when she was featured as a dancer in Beyonce's 'Crazy In Love' music video.

In videos posted to her YouTube page, Quigley is seen dancing with the singer in various live shows.

She has also performed as a back up dancer for several shows with Rihanna, also appearing in the star's 'S.O.S.' music video.

Other notable performances include dancing back up for Missy Elliot and Jamie Fox.