Shannon Canning failed to arrive for work at the Tipple Bar, in Lancashire, on Friday morning and she was reported missing.
The young woman disappeared in the early hours of Friday after leaving her home in Keswick Court.
Lancashire Police today confirmed they responded to calls of a body found in the River Lune, near Halton at 4.20pm this afternoon.
The deceased body was determined to be a female.
Formal identification has not yet taken place but the force believe it to be Shannon.
A spokesperson for Lancashire Police said: “We can confirm that we were called today at around 4:20pm to a report that a body had been found in the River Lune, near Halton.
“Specialist search teams have subsequently attended the area and can sadly confirm that the body of a woman has been recovered.
“Although formal identification has yet to take place, we believe the body to be that of missing Shannon Canning.
“Shannon’s family have been made aware of this sad development and our thoughts are with them at this upsetting time.”