With Kate Middleton having just welcomed a little prince, many are speculating that sister Pippa Middleton could be next in line to catch baby fever — and recent signs could point toward these rumors turning into reality.

Our first indicator is just how close Pippa and her sexy banker boyfriend Nico Jackson are getting these days. The couple has reportedly moved in together, which seems to be a huge step toward marriage and a potential baby! Pippa has been dating Nico, 35, for 8 months already, which is a pretty long time when you have cameras on you at all times. Earlier this month, cameras caught Pippa and Nico getting naughty in public. The stockbroker's hand was planted firmly on Pippa's famous posterior — needless to say they were enjoying their moment.

Pippa was also rumored to be planning a baby shower for her royal sis, going against tradition. Maybe Pippa wanted to further immerse herself in baby hysteria while doing something nice for her sister or maybe she was just proving that she and Kate aren't your typical royals. Either way, getting exposed to this much cuteness could definitely rub off on Pippa, igniting her baby desire.

Lastly, Pippa and Kate's younger brother, James Middleton, is rumored to have proposed to his girlfriend Donna Air, with the couple stepping out recently and her sporting a big rock. We don't know if they are actually engaged, but if they are, Pippa will need to step up her game or else her brother will outshine her!

Is all that enough to get the rumor mills going? We surely hope so!

What do you think? Should Pippa Middleton hop on the baby train? Sound off in the comments below!