Melanie Mireles had been last seen around 8:30am Tuesday with her babysitter, Jessica Garcia, at the Walmart at 1107 Shaver in Pasadena.
Officials feared for the toddler's safety and issued the Amber Alert shortly before 11pm. But just a couple of hours after that, the alert was cancelled when Melanie was safely located and returned to her mother. She was not injured.
The babysitter is in police custody with criminal charges pending.
No other details were available.