Kevin Federline BSPEARSEMERGENCY010408_01.jpg After safely stashing Sean Preston at his house, Kevin Federline rushed to Cedars Sinai last night.

We were able to snap a few shots of Britney's ex-husband being driven up to the hospital in a clearly bedraggled state.

No word yet on whether Kevin saw Britney or focused his attention on Jayden - but we'll let you know as soon as we hear!