Update: Sinead O'Connor has been found by Wilmette Police and is no longer considered a missing person.
Chicago-area police are on the lookout for Sinead O'Connor in Chicago and the surrounding suburbs. The world-famous singer has not returned after she went out for a 6am bike ride in Wilmette on Sunday, a police statement said.
O'Connor was reportedly wearing a black parka, black leather pants and a sweatshirt with the word "Ireland" on the back. She was riding a motorized Raleigh Bicycle with a pink basket on the front.
The singer was last seen on the east side of Wilmette. She was reported missing around 1pm on Sunday by a caller that phoned the Wilmette police.
There are are speculations that O'Connor may be suicidal, and she is currently classified as "missing endangered" by the police. The singer also appeared to have been troubled in her last Facebook post.