Kristin Cavallari is one proud mama. The former MTV reality star, who wed Chicago Bears footballer Jay Cutler on June 7, gushed about their one-year-old son, revealing his latest milestone.

"He's starting to say 'mom'. It is the coolest thing," Cavallari told EnStars at the Junk Food Vintage NFL Curated By Kristin Cavallari runway show on September 10.

"He is trying really hard to talk, so it'll only be a matter of time until he starts saying more words," she added. "He is moving all over the place and won't sit still. It's a blast. His little personality develops more and more each day. He is the best little boy in the world."

The first time mom continued to dote on her son, revealing how natural everything came to her.

"I couldn't be happier. Having a baby is just so much fun!" she said, adding that she and Cutler are ready for baby number two.

"We are both ready," she revealed. "No baby announcements yet, but we eventually want a big family."

Up next, Cavallari is busy promoting her first ever collection for Junk Food and NFL Women's Apparel, which debuted at STYLE360 during New York Fashion Week.

"It has been a blast. I really enjoyed fusing the elements of the NFL with chic, trendy runway looks," Cavallari revealed, adding that her NFL quarterback hubby also approves of the sexy designs.

"When I was working on it, I showed Jay some sketches, and he liked it. He's really excited for me," she said.

Novelty details from the collection include athletic stripes and logos, statement shoulder pads with a mid-90's edge, vibrant team color blocking, over-sized boyfriend jerseys with a feminine twist and much more.

Tags: Kristin Cavallari jay cutler Celebrity Kids