Her maybe baby bump just keeps getting bigger!

Ben Affleck's girlfriend Lindsay Shookus left their shared Pacific Palisades mansion over the weekend with suitcases in hand, and we couldn't help but notice that her midsection looked noticeably fuller, and her boobs have gotten a lot bigger. To us, those are two huge signs that she's got a bun in the oven!

The Oscar winner and the SNL producer have been busy crossing off some major milestones on their relationship checklist recently. Not only did they move in together, but the A-list actor has been spending time bonding with her daughter Madeline, and he recently spent the weekend with her parents when they came into town. The only things left are a wedding and a baby!

In fact, rumors are swirling that the couple plan to tie the knot in Hawaii by the end of summer, adding fuel to the growing speculation that she's indeed pregnant with their first child!

If she isn't preggo and they really wanted the gossip to stop, they would just issue a denial, but we think it's telling that they haven't...