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We've been seeing a lot of Katie Holmes rehearsing for her Broadway debut (there she is today in the pix above, and she's not wearing jeans!) in NYC recently. The thespian even went out last night to take in a performance of August: Osage County...

But where was Suri? Back at home?

Actually, after the fam spent the weekend together, we think Tom returned to LA on Monday, the 25th, with Suri... leaving Katie solo in New York to focus on her theatre work.

He probably knows she needs to concentrate - and he's probably been missing his daughter a whole lot, too!