Consider the evidence: The couple dropped around $500 at Lisa Kline Kids, purchasing everything from a cheetah diaper bag to baby AC/DC tees, and, of course, a camo pacifier holder. Sounds a lot like she's preparing for life to get more complicated.

What's more, says a TMZ spy, "She definitely looks like she has a bump." We've contacted her reps, but haven't heard back. - If you actually care, then TMZ has a video for you.

Preview and Purchase Avril Lavigne CDs