Sources in question do indicate that the couple is having problems, but they aren't related to any big argument that took place before the holidays. Apparently that argument never even happened.
Neither Katy nor Russell have been wearing their wedding rings of late.
TMZ's source says the couple is "dealing with something," but that they won't be getting divorced... yet.
***** Update: According to the AP, the couple are getting divorced. "Sadly, Katy and I are ending our marriage," Russell Brand said. "I'll always adore her and I know we'll remain friends."