Alexa PenaVega and Carlos PenaVega have announced they are expecting their first child together.

The former Dancing with the Stars contestants took to Twitter on Thursday morning to share their big news with fans.

"Breaking news! It's #ClearblueConfirmed a lil PenaVega is on the way! #ItsHappening #HolyWow #ClearbluePartner," Carlos, 26, tweeted

"PREGNANT! It's #ClearblueConfirmed a lil blessing is joining the PenaVega fam! #ItsHappening," Alexa, 27, wrote.

Carlos, a member of Big Time Rush, began dating Alexa, a former Spy Kids star, in 2013. They announced their engagement in September of that same year and wed in January 2014 in Mexico.

In 2015, the duo became the first-ever married couple to compete against one another on Dancing with the Stars.

Carlos and his pro partner, Witney Carson, placed fourth in the Season 21 competition, beating Alexa and her pro partner Mark Ballas, who were eliminated two weeks earlier. 

Alexa was previously married to film producer Sean Covel, 40, for two years. The pair split in July 2012 and finalized their divorce in December of that year.