Katherine Webb shows off her baby bump while supporting AJ McCarron in a Buffalo Bills shirt

All smiles: pregnant Katherine Webb, 29, wore her baby bump with a Buffalo Bills shirt to support her husband, AJ McCarron, in his team's first preseason game on Thursday

Katherine Webb showed her growing bulk of the baby in a Buffalo Bills shirt and revealed her brilliant trick to keeping her jeans closed while supporting her NFL star husband, AJ McCarron, in her team's inaugural preseason game on Thursday.

The former Miss Alabama, 29, traveled to Instagram on Friday to share photos of her with AJ, 27, and her two-year-old son, Tripp, after Bill's game against the Carolina Panthers at New Era Field in Orchard. Park, New York, the night before.

Katherine recently announced that she and AJ expect their second child, a baby, in December, and admitted that their jeans no longer fit because of their growing stomach.

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All smiles: pregnant Katherine Webb, 29, wore her baby bump with a Buffalo Bills shirt to support her husband, AJ McCarron, in his team's first preseason game on Thursday

All smiles: pregnant Katherine Webb, 29, wore her baby bump with a Buffalo Bills shirt to support her husband, AJ McCarron, in his team's first preseason game on Thursday

Surprise: the expectant mother admitted that she has not yet bought any maternity pants

Surprise: the expectant mother admitted that she has not yet bought any maternity pants

She went on to share a picture of her jeans that are held together by a hair tie

She went on to share a picture of her jeans that are held together by a hair tie

Surprise: the future mom admitted that she had not yet bought any maternity pants while sharing a picture of her jeans with a hair tie

"I have not bought any preggo pants yet," he wrote on Instagram Stories before posting a photo of his partially unbuttoned jeans, held together by a hair tie.

On Thursday's game day, Katherine shared a picture of her with AJ's mother, Dee Dee McCarron, and her brother Corey's fiancé, Karli Rabb.

"Ladies of McCarron here for the game," titled the image of them sitting on a rock, decked out with the Buffalo Bills team.

He also gave the fans another look at his baby in a video that was filmed inside his family's luxury box during the game.

Too cute: Katherine posed for a picture of her with her two-year-old son, Tripp, on game day

Too cute: Katherine posed for a picture of her with her two-year-old son, Tripp, on game day

Too cute: Katherine posed for a picture of her with her two-year-old son, Tripp, on game day

In the clip, little Tripp is sitting on his grandmother's lap and has one of his toy dinosaurs leaning against the windowsill.

& # 39; Kid has to bring his dinosaurs everywhere & # 39; explained Katherine.

Although the Bills lost to the Panthers 28-23, Katherin was clearly proud of her quarterback, who played in the second quarter of the game.

"The bigger the dream, the more difficult the routine". Proud of this guy! Carolina goes down, follows through the Cleveland Browns and writes a snapshot of herself with her arms around AJ in the field.

The future mom shared a photo of herself with Tripp that was taken inside her luxury box, and could not resist pointing out that she is about to become an older brother.

Behind the scenes: Katherine's bundle was also visible in a video she shared inside her family's luxury box at the stadium

Behind the scenes: Katherine's bundle was also visible in a video she shared inside her family's luxury box at the stadium

Behind the scenes: Katherine's bundle was also visible in a video she shared inside her family's luxury box at the stadium

Behind the scenes: Katherine's bundle was also visible in a video she shared inside her family's luxury box at the stadium

Behind the scenes: Katherine's bundle was also visible in a video she shared inside her family's luxury box at the stadium

& # 39; McCarron Ladies & # 39 ;: Before the game, Katherine posted a picture of her with AJ's mother, Dee Dee McCarron (right), and his brother Corey's girlfriend, Karli Rabb (center)

& # 39; McCarron Ladies & # 39 ;: Before the game, Katherine posted a picture of her with AJ's mother, Dee Dee McCarron (right), and his brother Corey's girlfriend, Karli Rabb (center)

& # 39; McCarron Ladies & # 39 ;: Before the game, Katherine posted a picture of her with AJ's mother, Dee Dee McCarron (right), and his brother Corey's girlfriend, Karli Rabb (center)

"The face you make when your mom tells you that you only have 4 months left as the only child," he wrote.

Last week, the model announced her pregnancy on social media by sharing a photo of her with a baby bump, which reveals that she is five months pregnant with her second child.

"Well guys, it's getting harder and harder to hide the pothole," he said with the legend. "We are very excited to give Tripp a little brother to play next Christmas! # 5monthspregnant. & # 39;

The image shows Katherine posing with AJ and Tripp, on a football field. AJ is wearing her new Buffalo Bills shirt, and while the former beauty queen has a soccer ball, it's her growing stomach that's really on display.

Katherine posted a similar snapshot of herself with her family earlier this month, and while hiding her growing stomach in a black top and event badge, some fans could not help but ask if she was waiting.

Baby number two: Katherine shared this week of lats to announce that she and AJ expect their second child, a baby

Baby number two: Katherine shared this week of lats to announce that she and AJ expect their second child, a baby

Baby number two: Katherine shared this week of lats to announce that she and AJ expect their second child, a baby

Secret outside: Katherine's pothole was noticed in a family snapshot that was taken after AJ's practice at the football team's training camp in Pittsford, New York, last month.

Secret outside: Katherine's pothole was noticed in a family snapshot that was taken after AJ's practice at the football team's training camp in Pittsford, New York, last month.

Secret outside: Katherine's pothole was noticed in a family snapshot that was taken after AJ's practice at the football team's training camp in Pittsford, New York, last month.

& # 39; Did you spy a pothole? & # 39; One person asked, while another one added: "Bump or burrito? & # 39;

Katherine's hit was much more noticeable in a snapshot of the family that was taken after one of AJ's practices at the training limit of the football team in Pittsford, New York, that week.

Her black shirt was drawn to her stomach while she and AJ walked hand in hand with Tripp.

Before confirming her pregnancy, she abstained from sharing photos of her lower half on Instagram and opted to post snapshots of her husband and son.

However, Katherine shared a photo herself modeling a one-piece red the first week of June, writing: "I'm not a normal mom, I'm a great mom."

The expectant mother was about three months pregnant, but her stomach was still incredibly flat.

Questions: Fans suspected that the former beauty queen was pregnant when she shared this family photo a few weeks ago

Questions: Fans suspected that the former beauty queen was pregnant when she shared this family photo a few weeks ago

Questions: Fans suspected that the former beauty queen was pregnant when she shared this family photo a few weeks ago

Three months pregnant: Before announcing her pregnancy, Katherine avoided sharing photos of the body, but published this snapshot of herself modeling a piece in June.

Three months pregnant: Before announcing her pregnancy, Katherine avoided sharing photos of the body, but published this snapshot of herself modeling a piece in June.

Three months pregnant: Before announcing her pregnancy, Katherine avoided sharing photos of the body, but published this snapshot of herself modeling a piece in June.

It has undoubtedly been a month of change for the future mother of two, who moved to Buffalo, New York, with her husband and son before AJ began training camp with his new team.

After four seasons with the Cincinnati Bengals, AJ signed a two-year, $ 10 million contract with the Buffalo Bill without March, about the same time Katherine found out she was pregnant.

The NFL star seeks to separate as the starting quarterback for the team after years of being a backup.

"As a competitor, he's eager to play," Katherine told The Buffalo News. "By being a reserve quarterback for so long, you only grow a chip on your shoulder that is so big.

"I know he's going to be a big competitor in Buffalo and he will really show what he can do," he added. & # 39; Been waiting for this for so long. I feel that this really can be AJ's time to shine. "

AJ and Katherine said, "Yes, I want to." in 2014 and they welcomed their eldest son in May 2016.

The mother was open about her initial struggle to conceive, revealing at that time that it took them about a year of trying before getting pregnant with her first child.

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