Mount Audrina Patridge looks ready to blow ... but she ain't even close.
The pregnant ex-'Hills' star is only about 6 months in, and during a stroll this week in Hawaii ... her face said it all -- get this not so little girl outta me!
As if carrying around an extra human being wasn't enough .. AP and BMX pro fiance Corey Bohan are also in the middle of planning their upcoming wedding in Hawaii.
Something's gotta give.