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.

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