Britney's first husband is looking like he dropped some serious LBs -- too bad it took his mug shot for us to notice it.
Jason Alexander checked into jail to serve 10 days for a prior DUI conviction.
For all the crazy Britney photos we've seen over the past few years, at least she doesn't have a mug shot out there.
DUI, Annulment Does a Body Good
12/4/2008 3:31 PM PST BY TMZ STAFF
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