Riri's pal has disappeared and she needs your help!

Rihanna's former backup dancer Shirlene Quigley went missing on Sunday around 1a.m. after teaching dance at Peridance Capezio Center and Broadway Dance Center in Manhattan, and the singer posted an emotional plea for her safe return on Instagram Monday. Quigley, who lives in New Jersey, was last seen boarding a bus at Port Authority in NYC.

"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 201 392 2100!!!!" she captioned an old video of Quigley.

Missy Elliot also appealed for any information related to Quigley's disppearance.

"Please share and help us find her!! #shirlenequigley amazing SWEET CARING SPIRIT who is LOVED by MANY! I NEED YALL TO REPOST get this info out there! Please help with any information," she wrote on social media.

This is so sad, and we're hoping they find her soon!