Jesse James 'Mistress' Creates Pregnancy Scare

3/29/2010 1:44 PM PDT BY TMZ STAFF
Jesse James alleged mistress #2 bought a pregnancy test yesterday ... but don't be alarmed, she admitted in a recent interview that she stopped seeing Jesse in March of '09.

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So unless that baby has been gestating inside Ms. Tattoo McWhatsername for 12 months ... Jesse is in the clear.