Hollywood stars Katie Holmes and Jamie Foxx might be very much in love with each other, but a public announcement of their supposed marriage will not likely happen.

The 48-year-old comedian, who co-starred with the 37-year-old actress' ex-husband Tom Cruise in the 2004 action film 'Collateral,' is allegedly afraid that the 'Mission Impossible' actor's "crazy" side would come out should they publicly announce that they are already tying the knot.

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In an exclusive report, Hollywood Life revealed that the new man in the Holmes' life is reportedly keeping their relationship private despite the fact that he is so in love with her.

"That said, if and when he does go there and put a ring on her finger, he's not going to do it publicly," a source said about the rumored growing romance between Katie Holmes and Jamie Foxx. "The last thing he wants is Tom going all 'Collateral' on him. Jamie doesn't know Tom's crazy side and he likes to keep it that way."

"He's heard war stories from Katie about what it's like to be his bad side and he doesn't want that drama," the insider added.

In the meantime, it was also learned that some friends of 'The Jamie Foxx Show' star even teased him about being careful.

"A friend of Jamie's joked and told him he better be careful because Tom could morph into that crazy and demented Vincent from their 'Collateral' movie," the source stated. "Jamie laughed but his friend told him it's no laughing matter."

Holmes was recently spotted wearing a ring which ignited speculations that she has indeed married already.

Do you think Katie Holmes is already Mrs. Foxx following an alleged secret wedding?

TagsKatie Holmes, Jamie Foxx, Tom Cruise, Katie Holmes Jamie Foxx Dating