Another year, another Christmas without her dad for Suri Cruise.

Life & Style has exclusively learned that the 10-year-old won't be seeing her famous father Tom Cruise this December because a source reveals he'll be too busy spending time with fellow Scientologists.

MORE: Former Scientologist Leah Remini Recounts a Disturbing Incident Involving Suri Cruise

The actor, who welcomed his daughter with Katie Holmes in 2006, will soon be heading to the church's headquarters in Florida with son Connor.

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Tom, Katie and Suri in 2011.

A source tells Life & Style that the 54-year-old's involvement in Scientology has caused him to disconnect from Suri, which members are encouraged to do with those who leave the faith.

The lack of contact between the duo is particularly shocking given how over-the-top their holidays together used to be. "They would have lavish holiday feasts, and Tom would give Suri the run of the store at FAO Schwarz or take her to a VIP day at one of the Disney parks," a different insider shares.

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These days, she'll most likely spend Christmas with her grandparents in Ohio, like she did for Thanksgiving. "[They] had the best time with Katie's family," the insider says.

For more on your favorite celebs, pick up the latest issue of Life & Style, on newsstands now! And scroll through the gallery below to see how Suri has changed over the years.