The 29-year-old 'Roar' hitmaker, who had an on-and-off relationship with Meyer since 2012, parted ways with him in February, reported People magazine.
"Katy will not let romance derail her life right now. She is happy being single. She thinks that a relationship will complicate things right now. Katy has always been a romantic, but she knows that it doesn't all have to happen immediately," a source said.
"She doesn't need to have the prince on the white horse now. She'll wait, and take care of herself in the meantime," the source added.