Alexa & Carlos PenaVega Get Started On 'DWTS' Rehearsals

Alexa and Carlos PenaVega arrive at the dance studio together in Los Angeles on Thursday afternoon (August 27).

The husband and wife duo will be hitting the dance floor together this upcoming season on Dancing With The Stars — the first married couple ever!

PHOTOS: Check out the latest pics of Alexa PenaVega

“Beyond excited that @vegaalexa and I are going to be competing this season on #season21 @dancingabc .. Spending 24 hours at @disneyland #disneyland60 to celebrate!!! Happy birthday baby girl!!” Carlos captioned on Instagram during their day at Disneyland the day before.

Pro dancers Witney Carson and Mark Ballas are also seen arriving at the studio with the couple — could these be Carlos and Alexa‘s partners?

35+ pics inside of Carlos, Alexa, Mark and Witney…