Danielle Jonas has a baby bump already after three months of announcing that she and husband Kevin Jonas are expecting. She shared a picture via Instagram of herself exercising at the gym on Thursday, Oct. 24.

"My belly! and my muscles getting big with Anthony Michael "#preggoproblems," Danielle wrote in the caption. She also shared a three-photo collage of herself lifting weights together with her personal trainer. She wore a a light blue tank top, tight black leggings and sneakers for the workout.

The couple first announced in July that they were expecting their first child. "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 after than announcement, the two announced that their first baby is a girl. Danielle even shared a sonogram of her baby.

The two met while they were on a vacation in the Bahamas on May 23, 2007. They got married two years later at Oheka Castle in New York's Long Island.

As Danielle tries to lead a healthy lifestyle for her baby' arrival, her husband Kevin has been making the headlines along with his two famous brothers, Nick and Joe. The Jonas Brothers have cancelled their 19-date tour earlier this month and said that there is a rift within the band, E! News reported.

"Bear with us," Nick tweeted about the rift.

"Please hold while we get our s--t together," Joe also tweeted about it.