Now we know -- Jamie Lynn isn't with Casey Aldridge for his money!
Britney's little-but-getting-bigger sis went out last night in Kentwood, LA., for some vittles on her 17th BD at Ruby Tuesday.
It must be love.
Jamie Lynn -- Hello Ruby Tuesday
4/5/2008 11:10 AM PDT BY TMZ STAFF
Get TMZ Breaking News alerts to your inbox