Danielle Jonas debuted her small baby bump while working out on Thursday. 

The 25-year-old pregnant wife of Kevin Jonas took to her Instagram to show off her exercising skills while flaunting her growing stomach. 

"My belly! and my muscles getting big with Anthony Michael," the first-time mom-to-be wrote. "#preggoproblems.

Alongside the caption, Danielle shared a three-photo collage of her lifting weights with the help of her personal trainer. The reality star was dressed in black leggings and a light blue tank top and paired it with sneakers. 

The couple first announced that they were expecting their first child together in July. 

"It's true -- Danielle is pregnant! Can't even imagine how excited we are," Kevin tweeted at the time. "I can't wait to share this with my best friend. I love you baby. A month later, they announced via social media that they were expecting a baby girl. 

Meanwhile, the family is in the process of building a new home in New Jersey. 

As far as their old home, the couple is reportedly asking for $2.2 million to move into the 7,200-sq. ft., five-bedroom house, which serves as the backdrop of their E! reality series, Married to Jonas, People magazine reported.

But as the couple continues to prepare for the baby's arrival, Kevin has trying to figure out where is career is headed with his famous brother. This week, Kevin's brothers spoke out about disagreeing about their musical direction. 

"Bear with us," Nick wrote via Twitter on Oct. 22. Joe, 24, then added a half hour later: "Please hold while we get our s--t together."