A night of celebration
New Orleans police said she was last seen on March 2 at Parlay's, a bar in the Lakeview area of the city.
One of the bartenders working that night had to "cut off" Monette, indicating the bartender felt she had had too much to drink and should no longer be served, bar manager Anna Boudousque said.
Monette told her friends she was going to sleep in her car before driving home because she had been drinking, police said.
She was seen about 4 a.m. talking to an unidentified man in the parking lot, police said.
Authorities said that man has been interviewed and is not considered a suspect in the disappearance.
Jefferson Parish sheriff's deputies even used magnets and grappling hooks to search a local bayou between the bar and Monette's home, but found no sign of her missing 2012 black Honda Accord.
On Wednesday, search workers found a vehicle in the waters of Bayou St. John, but it was determined not to be Monette's car, police said.
The vehicle was discovered by Equusearch, an independent search and rescue team out of Texas that has volunteered to help police comb the lagoons and waterways of New Orleans City Park.
It discovered the car using a small sonar device attached to a boat that swept the waterway. Police then sent divers down to examine the vehicle, and confirmed it did not belong to Monette.