Katy Perry's blue streak continues.
Just days after popping up with a colorful new 'do, the chart-topper was seen at LAX on Monday sans her wedding ring.
In its place?
An antique-looking bauble with a, yep, blue stone.
Of course, the lack of a band doesn't come as a total shock considering Russell Brand did file for divorce last month. And who can blame the girl for just wanting to move on, right?
In fact, Perry is not only moving on from the marriage world, but entering a whole new one as well...