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While Kevin pumps gas, goes to his pals' apartment in the Valley late at night for Bible study (we've seen him at his friends' place twice this week after midnight), and flirts with a hot blond at his Kitson event a few days ago (video), X17 is busy looking for Brit and wondering why when these two procreate, they never seem to hang out together after the birth of the new baby! It happened with Sean Preston -- Britney skipped town to Hawaii by herself until Kev finally joined her ...

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And now the same thing seems to be going on after the birth of Sutton ...
(Check out how long he chats up the babe in the video -- I had to speed it up because it was such a long time! And then we caught a glimps of the mystery girl as she walked in front of our camera ...)