Katie Holmes has hardly left Tom Cruise‘s side since they began dating in April 2005.

However, that support has caused her grief. According to one Hollywood insider, the actress, who gave birth to daughter Suri last year, has been told by her husband to attend “mommy classes” taught by Scientologists.

(“There are parenting classes,” a Scientology source confirms.)

“Katie was quite offended by that,” the source tells Us. “Can you imagine when you’re 28 and have your first child to be told you need to go to this church to become a better mom?”

Holmes now finds herself surrounded by fellow Scientologists (an exception is Victoria Beckham, who one Hollywood insider describes as “a link to the outside world”).

From the time Holmes and Cruise began dating, the actress – who, pre-Cruise, did interviews without a publicist – has been assigned a Scientology “minder,” whose job, according to a Scientology expert, is “to make sure that nothing is said or done that would be critical of the church.”

In fact, virtually everyone on the couple’s staff is a Scientologist. Says the source, “Everyone who works with Tom is technically minding Katie.”

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